Answer:
4. stoping the drugs from geting in our water
Explanation:
4. What was Lamarck's theory of evolution?
Evolution: natural and artificial selection gizmos answer key?
Answer:
Here are some answers I found. It isn't all of them, but it might help. You get some of the answers, which is better than nothing. You have to pay if you want all the answers though :(
Explanation:
https://www.coursehero.com/file/p5pk211a/Summarize-How-are-the-processes-of-natural-selection-and-artificial-selection/
https://www.coursehero.com/file/28264145/EvolutionNaturalArtificialSEdocx/
Darwin had seen these birds on a visit in the 1830s to the Galápagos Islands, a collection of islands in the Pacific Ocean to the west of South America.
What is Artificial selection?Artificial selection is the process of identifying desirable qualities in plants and animals and then taking action to strengthen and pass those traits on to succeeding generations.
Artificial selection operates in a similar manner to natural selection, with the exception that in natural selection, these judgments are made by nature without human intervention.
The physical characteristics and behaviors of many kinds of birds known as finches were highlighted by British naturalist and biologist Charles Darwin in his 1859 book On the Origin of kinds, which outlined the evidence for his hypothesis of evolution by natural selection.
Therefore, Darwin had seen these birds on a visit in the 1830s to the Galápagos Islands, a collection of islands in the Pacific Ocean to the west of South America.
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An organism has a mutation in a gene that blocks its function. What effect will the mutation have on the organism?
The organism will be unable to replace cells through mitosis
The organism will not produce the protein coded by the gene
The organism will have fewer chromosomes.
The organism will create more daughter cells from meiosis.
Answer: The organism will not produce the protein coded by the gene.
Explanation:
The effect that will the mutation have on the organism is the organism will not produce the protein coded by the gene. Thus, the correct option for this question is B.
What is Mutation?A Mutation may be defined as the sudden, stable, and inheritable changes in the genetic material of organisms. The organism which undergoes mutation is known as a mutant. The agents of mutation are known as mutagens.
The Mutation leads to alterations in the genomic sequences of an organism. Due to this, the proteins formed are different compared to normal. The function of the previous protein is blocked and a new function is visualized.
So, if an organism has a mutation in a gene that blocks its function, the organism will definitely not be able to the protein coded by that gene.
Therefore, the organism will not produce the protein coded by the gene is the effect that will the mutation have on the organism. Thus, the correct option for this question is B.
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Scientists once thought that life spontaneously arose from nonliving things. It took extensive experimentation and the invention of new technology to confirm the tenets that now make up the cell theory. Now, we don't even question that cells are the basic units of life and only come from preexisting cells. What technology had the biggest impact on the development of the cell theory? (LS.2c)
Question 3 options:
centrifuge
electrophoresis
microscope
telescope
If a pure red flower is crossed with a pure white flower and neither allele is completely
dominant over the other, what will the offspring's phenotype look like?
y. 100% red flowers
z. 100% white flowers I
aa.50% red flowers and 50% white flowers
bb. 100% pink flowers
Answer:
100% pink flowers
Explanation:
If neither allele is dominant, it will create incomplete dominance. So the offspring will neither be red nor white, the offspring will be pink.
a.
Which of the following best describes daily temperatures in deserts?
hot during the day and cold at night
b. hot during the day and warm at night
C. cool during the day and very cold at night
d. they depend upon the type of desert and its location
Please select the best answer from the choices provided
Ο Α
ОВ
С
D
Answer:
A
As sand cannot hold the heat for long, it gets cooler as soon as the sun sets
Explanation:
A
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6. Which process is most responsible for the
formation of sand dunes?
A water erosion
В volcanism
C wind erosion
D glaciation
Answer:
C wind erosion is most responsible for the formation of sand dunes.
Explanation:
Sand dunes are formed when wind blows loose sand from a beach, desert, or other location, and deposits it in a new location. The sand is then shaped by the wind into dunes, which can vary in size and shape depending on the strength and direction of the wind. Water erosion, volcanism, and glaciation can all also contribute to the formation of sand dunes to some extent, but wind erosion is typically the primary process responsible for their formation.
Check all characteristics of life:
- Complex, ordered organization consisting of one or more cells (1)
- Use and transforms energy to perform work (2)
- Sensitive and responsive to the external environment (3)
- Regulate internal conditions(4)
- Grow, develop, and reproduce(5)
- Evolutionarily adapt and over time undergo descent but with modification(6)
The characteristics of life are complexity, ordered organization, energy use and transformation, and regulation of internal conditions. and all of the statements about life forms are correct.
What are the characteristics of the life forms?There are both eukaryotic and prokaryotic life forms, as well as unicellular and multicellular animals, but all life forms grow, take nutrients, adapt, and evolve; some can regulate their internal temperature, use energy, and transform it, such as in photosynthesis.
Hence, the characteristics of life are complexity, ordered organization, energy use and transformation, and regulation of internal conditions. and all of the statements about life forms are correct.
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Bears stop coming to a river ecosystem where they have been eating many fish each day. The fish the bears eat
normally eat smaller fish, which eat plants along the river bottom
What happens to the ecosystem?
The larger fish population will drop first and the smaller fish population will grow quickly. The plants will
die off because too many of the smaller fish are eating them
The smaller fish population begins to eat more plants and to grow. The larger fish have more food to
eat so their population is able to grow, too.
The larger fish population explodes at first, and the smaller fish population begins to drop. Eventually
the river runs out of smaller fish so larger fish die out, and the plant population grows.
Both the larger and the smaller fish populations grow quickly but then die out because the plant life is
insufficient for them all to eat
Answer:
Both the larger and the smaller fish populations grow quickly but then die out because the plant life is
insufficient for them all to eat
Explanation:
Humans have a double circulatory system. There is a low pressure circulation and a high pressure circulation.
Explain how the structure of the heart enables it to pump blood into circulations at different pressures.
Answer:
The human heart is a pump. It pumps blood around the body at different speeds and at different pressures according go the body's needs. It can do this because the wall of the heart is made from cardiac muscle. Blood is moved through the heart by a series of contractions and relaxations of cardiac muscle in the walls of the four chambers.
Question 5
1 Q) Which of the following best describes an ecosystem?
1) A list of all plant and animal species found in the California desert
2) All of the white-tailed deer in a forest
3) Sunlight, temperature, rainfall, water sources in an area
4) An entire rainforest, including all biotic and abiotic factors
2 Q) Which of the following happened after wolves were removed from Yellowstone's ecosystem?
1) Biodiversity dramatically increased
2) The elk overgrazed the habitat vegetation of other species
3) Biodiversity was unaffected
4) The elk population rapidly decreased
3 Q) Which features are used to describe a biome?
1) Climate, wildlife, and vegetation
2) Longitude and latitude
3) Common name, scientific name, and conservation status
4) Bacteria, Archaea, and Eukarya
4 Q) Which statement is correct about biomes?
1) They represent large geographic areas
2) They all have about the same species richness
3) Water biomes are not as complex as land biomes
4) Biomes can be as small as a pond
5 Q) Which of the following is the largest biome on earth by area?
1) Tundra
2) Marine
3) Temperate Grassland
4) Desert
Answer:
An entire rainforest. The elk overgrazed.Climate, wildlife, and vegetationThey represent large geoMarine
Maribel brings her backpack to the lab. She is also given a set of lab materials. What is the safest way for Maribel to organize these items in the lab?
Both the personal items and the lab materials should be arranged neatly along the edge of the table.
Which of the following statements is TRUE?
A.
Testosterone is the only male sex hormone.
OB.
Male sex hormones are called androgens.
O C.
Male sex hormones are called steroids.
OD.
All of the above
Answer:
B is the answer
Explanation:
Answer:
A.
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How would i fill this in?
Relation between variables are the different born percentages in sea turtles.
What percentage of sea turtles are female?
Green sea turtles from cooler southern nesting strands were about 65 to 69 percent lady, testing showed. Sea turtles from warmer northern strands leaned indeed more heavily womanish, with86.8 percent of adult turtles,99.8 percent of sub-adult turtles, and99.1 percent of juvenile turtles turning out to be womanish.
How long does it take for a sea turtle to incubate?
The incubation time for utmost species is 45 to 70 days. exploration indicates that the coitus of an embryo is dependent on the temperature of the nest. Lower nest temperatures produce further males; advanced temperatures produce further ladies. For green ocean turtles, a nest temperature of 28 °C(82 °F) or below produces substantially males.
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what is the role of tRNA in translation process?
Answer:
tRNA function at specific sites in the ribosome during translation which is a process that synthesizes a protein from MRNA molecule.
Explanation:
When a tRNA recognizes and binds to its corresponding codon in the ribosome, the tRNA transfers the appropriate amino acid to the end of the growing amino acid chain.
The fossil record indicates that the earliest prehistoric birds emerged during the Jurassic period. All modern birds have evolved from these early, reptile-like birds.
Based on their common ancestry, which of the following is most likely true about modern birds?
A.
Modern bird species cannot undergo evolutionary changes.
B.
Modern bird species share many genetic similarities.
C.
Modern bird species are all genetically identical.
D.
Modern bird species do not share any genetic similarities.
Answer: B. Modern bird species share many genetic similarities.
Explanation:
When organisms are said to have a common ancestor, it means that they share many genetic similarities but are not identical due to evolution and cross-breeding. For instance, siblings may have the same parents but they will not be genetically identical even though they have a lot of similar traits owning to their parents have different traits.
The same is true for birds. They share the genetic characteristics of their common ancestor but as time went on and evolution took place, they changed in some ways and so are no longer genetically identical.
Adults can best help young children learn movements by
Adults can best help young children learn movements by Introducing toys that children can push and pull. You can use bright colors can also be helpful.
Ways adults can best help young children learn movements are:Providing Toys and equipments children can push and pull.Practics some fun games with them eg football.Play the same games repeatedly with them. Learning to take turns is an important social skill best learned through physical play. Stay close by, pay close attention and watch out for risks. Put markings on the floor to increase a child’s physical activity.Provide enough space to run around.ensuring a safe play space and safe toys for the child. When the child is really engaged in play on their own, let them be.Learn more about learn movements on
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The skeleton of the human hand is similar in structure to
a. Bird's wings
b. Ancient fish
c. Dog's legs
d. All of the above
Answer:
a. Bird's wings
Explanation:
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Answer:
Primary Succession
Pioneer species are lichen/mossSuccession begins on rockTakes more time to reach a climax communityVolcanic eruptions, Sandstorms, or Glaciers retreatingSecondary Succession
Pioneer species are grassesSuccession begins on soilTakes less time to reach a climax communityClearing land or forest firesDaily rate of spermatogenesis
Answer: What's the rate of sperm production? Your testicles are constantly producing new sperm in spermatogenesis. The full process takes about 64 days. During spermatogenesis, your testicles make several million sperm per day — about 1,500 per second.
Explanation:
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Answer:
C. Spore formation
Explanation:
Option C above is the correct answer.
Spore formation is actually a method of asexual reproduction. Fungi actually reproduce asexually via spore formation. Some examples of organisms that reproduce via spore formation are Rhizopus, mushroom, mucor, etc.
The spores are usually stored in sacs which are known as sporangia. When there is a bursting of the sac, spores that are single-celled, thick and thin walled are obtained/formed. The spores are usually resistant to environmental conditions.
1) Why is the epicenter of the earthquake limited to two locations after you have data for him to seismograph stations?
2)Why is it important to receive data from three locations before sending out the emergency response team to an earthquake?
Answer:
Answer for question 2:
It is important to receive data from three separate locations because the more we know about the seismic waves and the places that they are more we gain for learning about them.
Explanation:
It is important to receive data from three separate locations because the more we know about the seismic waves and the places that they are more we gain for learning about them.
What is seismograph?Although it is frequently used interchangeably with "seismograph," a seismometer is the internal component of the seismograph, which can be a pendulum or a mass set on a spring.
Seismographs are tools used to capture ground motion during an earthquake. They operate as a part of a seismographic network and are buried throughout the world. The Chinese scholar Chang Heng created the first "seismoscope" in the year 132 A.D.
However, this just served to signal that an earthquake was taking place; it did not record earthquakes. In 1890, the first seismograph was created.
A seismograph is firmly fixed to the earth's surface so that, with the exception of the mass on the spring, the entire instrument shakes when the earth moves.
Therefore, It is important to receive data from three separate locations because the more we know about the seismic waves and the places that they are more we gain for learning about them.
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The sweet potatoes found underground contain starch.
Explain how starch in the sweet potato is produced from carbon dioxide in the
Answer:
The correct answer s - by the photosynthesis process.
Explanation:
Plants use the sunlight to convert the atmospheric carbon dioxide and water to oxygen and glucose for their food and energy, this process is called as photosynthesis. In This process, glucose is formed that is linked together to form the storage carbohydrate form, starch, that can use by plants later and store in the different parts of the plants.
In plants like potato and sweet potato or the plants that has tuber or grains, store the starch in their tuber or grains by transporting the starch to the these parts.
Which growing season is longest? The deciduous forest biome or the desert biome?
Answer:desert biome
Explanation: because the desert go a long way and probably does not
stop for 100 miles or more. :/
Answer:
the diciduous forest biome because it grows all four seasons
Explanation:
What is evolutionarily classification
Answer:
A monophyletic group must include all species that are descended from a common ancestor, and cannot include any species that are not descended from that common ancestor. Modern evolutionary classification uses a method called cladistic analysis to determine how clades are related to one another. Evolutionary taxonomy, evolutionary systematics or Darwinian classification is a branch of biological classification that seeks to classify organisms using a combination of phylogenetic relationship (shared descent), progenitor-descendant relationship (serial descent), and degree of evolutionary change.
Explanation:
The goal of phylogenetic systematics, or evolutionary classification, is to group species into larger categories that reflect lines of evolutionary descent, rather than overall similarities and differences.
Which numbers are all characteristics of life things?
1. Complex, ordered organization consisting of one or more cells
2. Use and transforms energy to perform work
3. Sensitive and responsive to the external environment
4. Regulate internal conditions
5. Grow, develop, and reproduce
6. Evolutionarily adapt and over time undergo descent but with modification
In which step of protein synthesis does the rRNA make protein?
Answer:
Translation is the second part of the central dogma of molecular biology: RNA → Protein. It is the process in which the genetic code in mRNA is read to make a protein. Translation is illustrated in the diagram below. After mRNA leaves the nucleus, it moves to a ribosome, which consists of rRNA and proteins.
Explanation:
Within the ribosome, the rRNA molecules direct the catalytic steps of protein synthesis — the stitching together of amino acids to make a protein molecule. In fact, rRNA is sometimes called a ribozyme or catalytic RNA to reflect this function.
How do stars recycle matter?
A. They stay on the main sequence m.
B. Black holes form and recycle gas for new stars.
C. Gravity pulls together gases and matter from old stars to create new ones.
Explanation is[tex]^{}[/tex] in a file
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How do spectroscopes help with studying of distance stars? A. it breaks apart lights that comes from Stars far away. B. it gives a clear image of the shape of stars. C. it collects sound waves from distant Stars. D. it measures the distance of far away Stars.
Answer:
"It lets you see the chemicals being absorbed or emitted by the light source.
Please select the word from the list that best fits the definition Brings drizzly rain
The word that bests fits the definition "Brings drizzly rain" is Brings precipitation.
What is precipitation?Any liquid or frozen water that forms in the atmosphere and falls back to Earth is referred to as precipitation. It takes many forms, including rain, sleet, and snow. Precipitation, along with evaporation and condensation, is one of the three major components of the global water cycle.
Without changing the meaning of the sentence, the best word that replaces drizzly rain is precipitation which is considered to mean light showers. Rain is water droplets that fall to the Earth's surface as precipitation.
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