A horticulturalist wants to produce geraniums with specific characteristics. She knows that the trait of red flowers is governed by the allele R(RR and Rr) and the trait of white flowers is governed by the allele r(rr).
The horticulturalist plans to cross a geranium that is true-breeding for red flowers with a geranium that is true-breeding for white flowers.
Which Punnett square best describes this cross?
R r
R RR Rr
r Rr rr
r r
R Rr Rr
r rr rr
r r
R Rr Rr
R Rr Rr
Birth and Death rate table. In year 0, birth rate is 0.25 and death rate is 0.5. In year 1, birth rate is 0.3 and death rate is 0.4. In year 2, birth rate is 0.4 and death rate is 0.2. In year 3, birth rate is 0.5 and death rate is 0.15. In year 4, birth rate is 0.5 and death rate is 0.2. In year 5, birth rate is 0.4 and death rate is 0.3.
a graph showing birth and death rates per thousand people from pre-industrial to post-industrial times
Illustration of food web including a relationship between green plants, a mouse, a rabbit, a goat, an owl, a snake, a wild cat, a jackal, a kite, and a lion.
Four graphs A, B, C and D. Each graph is a line that occupies a square. The left and right sides of the graph touch the x axis. Each graph has a different shape, but the space under the line remains the same. Graph A. Solid line symmetrical bell-shaped curve. Graph B. Dotted line symmetrical bell-shaped curve superimposed on a solid asymmetrical curve that leans to the right of the dotted curve. Graph C. Dotted line symmetrical bell-shaped curve superimposed on a solid curve. The solid curve is symmetrical. It goes up on both ends to form two humps and it is lower in the middle. The solid curve looks like the letter M. Graph D. Dotted line symmetrical bell-shaped curve superimposed on a symmetrical curve that is narrower and taller than the dotted line curve.
A phylogenetic tree showing the evolutionary relationships between, from left to right, proteobacteria, chlamydia, spirochetes, gram-positive bacteria, cyanobacteria, euryarchaeota, crenarchaeota, diplomonadida, parabasala, euglenozoa, alveolata, stramenopila, rhodophyta, chlorophyta, plantae, mycetozoa, fungi, and animalia
Tree diagram with five levels, showing genetics of Darwin finches. Starting from bottom, level one shows Common ancestor from South American mainland. Level two shows Ground, Tree, and Warbler finches with their Genuses as Geospiza, Camarhynchus, and Certhidea respectively. Level three shows Seed eaters, Sharp-beaked ground finch or G difficilis, Cactus flower eaters, Bud eater, and Insect eaters. Level four shows Large ground finch or G magnirostris, Small ground finch or G fuliginosa, Cactus ground finch or G scandens, Small tree finch or C parvulus, Medium tree finch or C pauper, and Woodpecker finch or C pallidus. Level five shows Medium ground finch or G fortis, Large cactus ground finch or G conirostris, Vegetarian finch or C crassirostris, Large tree finch or C psittacula, Mangrove finch or C heliobates, Green warbler finch or Certhidea olivacea, and Gray warbler finch or Certhidea fusca.
A diagram of the cycle of photosynthesis and cellular respiration, with the steps labeled A, B, C, and D.
Stage of mitosis showing split chromosomes and the sister chromatids on the opposite poles of the cell
Assessment navigation
Answer:
Age 1940 Proportion 1970 Proportion 2000 Proportion
Under 1 year 0.015343 0.017151 0.013818
1 - 4 years 0.064718 0.067265 0.055317
5 - 14 years 0.170355 0.200506 0.145565
15 - 24 years 0.181677 0.174406 0.138646
25 - 34 years 0.162066 0.122569 0.135573
35 - 44 years 0.139237 0.113614 0.162613
45 - 54 years 0.117811 0.114265 0.134834
55 - 64 years 0.080294 0.091480 0.087247
65 - 74 years 0.048426 0.061195 0.066037
75 - 84 years 0.017303 0.030112 0.044842
85 and over 0.002770 0.007435 0.015508
All ages 1.000000 1.000000 1.000000
Hope i helped if not tell me ~Ally
The function of the platelets is to:
A. Transport oxygen to the tissues.
B. Surround and consume harmful microbes.
C. Help repair tissue and close wounds both internally and externally.
D. Produce chemicals called antibodies.
Answer:
C.) Help repair tissue and close wounds both internally and externally
Explanation:
A.) is incorrect because oxygen is transported to tissues via haemoglobin located on red blood cells.
B.) is incorrect because deterimental microbes within the body are surrounded and consumed by phagocytes, a type of white blood cell.
C.) is correct because platelets help to close wounds by clotting the blood to prevent it from exiting the body.
D.) is incorrect because antibodies, proteins produced to combat harmful viruses, bacteria, etc., are created by B lympocytes, a type of white blood cell.
In nature, which pigment gives red algae it’s color?
Answer:
Red algae are red because of the presence of the pigment phycoerythrin; this pigment reflects red light and absorbs blue light.
Answer:
i believe the answer is phycoerythrin and phycocyanin
Explanation:
what climate zone has very little change in weather
A. Polar Climate Zone
B. Tropical Climate Zone
C. Temperate Climate Zone
Answer:
Temperate Climates
Explanation:
Temperate means the weather and temperatures remain mild withuot much change
Answer:
c
Explanation:
:D hope it helps
. If all of the snakes were eaten by the eagle, the eagle would receive How much kcal
Answer:can you tell me the answer choices otherwise there would be 24
Explanation:
Most scientists think that Earth goes through natural cycles of warming and cooling. How is the current trend in temperature change different from the natural cycles in the past?
A.
The rise in average temperature is happening faster than before.
B.
The variation in average temperature is happening more slowly than before.
C.
The average temperature has remained constant for hundreds of years.
D.
The average temperature varies up or down from year to year.
The chart below shows several species found in a pond ecosystem and the pH levels in which the species can survive. The normal pH
of the pond is 6.5.
If the pH of the pond fell to 5.5 due to acid rain, which of the species shown in the chart would die?
pH 6.5 pH 6.0 | pH 5.5 pH 5.0 | pH 4.5l pH 4.0
Trout
Bass
Perch
Frogs
Salamanders
Clams
Crayfish
Snails
Mayflies
Answer:
Clams and Snails
Explanation:
According to the chart, the pH required of these two species is higher than 5.5.
How would the role of gene expression in cells be best described?
Answer:
Gene expression is a strictly controlled process that allows a cell to respond to changes in its surroundings. It serves as an on/off switch for controlling when proteins are created as well as a volume control for increasing or decreasing the amount of proteins produced.
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What is a biome? Describe 2 biomes on the planet.
Explanation:
A biome is a large area characterized by its vegetation, soil, climate, and wildlife.
eg -Aquatic biomes include both freshwater and marine biomes.Grasslands are open regions that are dominated by grass and have a warm, dry climate.When volcanoes erupt, magma (hot, molten rock) rises toward the surface of the Earth. As magma cools, solid rock forms. This rock contains substances from the interior of the Earth. Which of the following natural resources is likely to be plentiful near subduction zones where volcanic activity has occurred in the past?
A fresh water
В. solar energy
C. metal ores
D. fossil fuels
Which of the following will cause evolution to a population?
This might not help, but there are five fundamental factors that induce an allele frequency shift in a population, or a collection of interacting organisms of a same species, from one generation to the next. Mutation, genetic drift, gene flow, non-random mating, and natural selection are all examples of evolution.
Hope this helps :)
A portable electric hairdryer with a resistance of 15 ohms is connected to a 120 V outlet. What is the approximate current
in the circuit?
A.8А
B.15 A
C.180 A
D.105 A
I need help with this
Which statement can best be supported by the picture of embryos
Answer:
I belive your answerr would be D
Explanation:
Living systems are made of complex molecules including carbohydrates, fats, proteins, and nucleic acids. Even though there are more than 100 elements known to exist, these molecules are comprised of only a few elements. What are these elements?
nitrogen, carbon, hydrogen, oxygen, phosphorous, and sulfur
PLS HELP
which structure is the human body function most like the cell wall in plant cell?
A. Bones
B. Intestines
C. Veins
Answer:
It's bones my dear i hope this helps you
Explanation:
A hygrometer _____.
measures the mold spores in fresh food
measures the mold spores in fresh food
measures humidity, temperature, and dew point simultaneously
measures humidity, temperature, and dew point simultaneously
measures the bacteria count in fresh food
measures the bacteria count in fresh food
identifies food that has been subjected to irradiation
identifies food that has been subjected to irradiation
Answer:
The answer is measures humidity, temperature, and dew point simultaneously
Explanation:
It measures the humidity in an certain area of choice.
Which resource is a nonrenewable resource? fresh water,maple trees,solar energy,precious metal
The only resource that is non renewable is : Precious metal.
Meaning of Non renewable resourcesA non renewable resource as the name implies is an resource that can not be renewed. restored, or regained when used up. It is a resource that depletes as is been used continuously until it goes on extinction. Precious metals are non renewable because they cannot restored or regained when used up. While
Non renewable resource has a limit to its usage because they can go on extinction.
in conclusion, The only resource that is non renewable from the list given is Precious metal.
Learn more about non renewable resource : https://brainly.com/question/14432353
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How does limited stomach volume affect weight loss?
Answer:
it affects weight loss by limiting the amount your stomach can hold, there by lessening the amount you eat and how much turns into fat.
Explanation:
I hope this is what you were looking for
Based on the pressure data shown in the weather map, in which area are you
most likely to see calm, clear weather?
1
B
1006
1040
1016
H
D 1020
10
2004
10:2
1000
A. A
B. B
C. C
D. D
Answer:
B
Explanation:
[tex]1006 \times 1040 \div 1016[/tex]
13. What is the maximum total number of ATP molecules formed during anaerobic cellular respiration
Answer:
the maximum total number of ATP molecules format during anaerobic cellular respiration is 2ATP
A drug that constricts blood vessels would have which of the following direct affects
Answer:
The constriction of arterioles increases resistance, which causes a decrease in blood flow to downstream capillaries and a larger decrease in blood pressure.
Explanation:
The absorptive state is regulated mainly by insulin, whereas the postabsorptive state is regulated by multiple hormones.
a) true
b) false
The statement "The absorptive state is regulated mainly by insulin, whereas the postabsorptive state is regulated by multiple hormones." is a true statement.
Option A is correct
What is the absorptive state?Generally, After a meal, your body is in the absorptive state, or fed state, where it is digesting the food and absorbing the nutrients.
In conclusion, insulin regulates your absorptive state or state of digestion
Read more about Digestion
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There are large differences between organisms of different species. The basic reason for this is due to
A. Different genetic information.
B. Different ages of the organisms.
C. The species live in different areas of the world.
D. Different functions.
Answer:
A. Different genetic information.
Explanation:
Organisms of different species are only of different species because they are genetically different from one another.
what does menaing of reporoducion
Answer:
It is a biological process by which an organism reproduces an offspring who is biologically similar to the organism.
Explanation:
I hope I have cleared ur doubt if not do mention in comment
As ocean water salt concentration increases, the _____.
Answer:
density will increase
Explanation:
salt concentration is the amount of salt contain in water furthermore if the salt concentration increases definitely the density will increase since sea water is denser than both fresh water and pure water
Discuss the importance of information transfer to living organisms
Answer:
Encoded within the DNA structure of genes are signals that specify where each protein molecule belongs. Thus, it is the transfer of information from one macromolecule to another that maintains the integrity and orderliness of living cells.
Explanation:
Correct me if I'm wrong(๑•﹏•)
Hope it helps(. ❛ ᴗ ❛.)
the luminosity of a star correlates most closely with the star’s
Answer:
The larger a star is, the more energy it puts out and the more luminous it is.
Explanation:
I hope that helps.
How are vascular and nonvascular plants different in their structure?
Answer:
Vascular plants contain a specialized xylem and phloem tissues for the transportation of water and foods, while non-vascular plants do not contain specialized vascular tissues for transport.
Explanation:
can u give me brainliest pls