Answer:
About Eight million, seven hundred thousand!
Hope this helps :)
Answer:
To this day, a total of 1.3 million species have been identified and described, but the truth is that many more live on Earth. The most accurate census, conducted by the Hawaii's University, estimates that a total of 8.7 million species live on the planet.
Q 9. How do the heart and the lungs work together?
What principle can be applied to all chemical reactions?
A) conservation of mass
B) reactants formed from products
C) energy loss theory
D) coefficient principle
In a phospholipid, the ionic head is _____ and the lipid tail is ______
somebody gonna be the brainiest hehe
Answer:
cells
tissues
organs
organ systems
organisms
List the three structures a plant cell has that an animal cell does not have.
Answer:
Plants have: Chloroplasts, cell walls and Plastids
Explanation:
Chloroplasts and Plastids help perform photosynthesis and the cell wall is stronger a outer wall that contains also a membrane where as animal cells go they only have Cell membranes
Give an example of a hypothesis not mentioned.
1. Law is something that has been proven through experimentation. theory is a hypothesis that is supported by laws (facts.)
2. An Observation is info that you log through your senses. A hypothesis is what you predict will happen based on your Observations.
3. Examples not given.
Based on the phylogenetic tree, which of the following statements is true.
see the following image.
a. Species A was probably much larger than any of the other organisms
b. Species G is extinct
c. Species C is the most recent ancestor of species B and D
d. Species F and G are more closely related than Species B and E
Answer:
a
Explanation:
Answer:
CORRECT (SELECTED)
Species F and G are more closely related than species B and E.
Explanation:
Species F and G share a more recent common ancestor than species B and
A fish is swimming around the 720-meter perimeter of her pond. If she swims 10 laps in 120 minutes, what is her average speed in m/min?
Answer:
The average speed of the fish is:
60 m/minExplanation:
You must take into account that the fish swims 10 laps, so you must multiply the perimeter by 10 to obtain the total meters swam:
720 m * 10 = 7200 meters.Now, you just must divide the total meters swam by the number of minutes that the fish took to do this, so:
7200 m / 120 min = 60 m/minRemember, ever you do an exercise like this, you must check the units, I mean, the units that the exercise wants to be the same you use, in this case, the average speed of the fish is 60 m/min.
3. How does ATP provide energy to your body?
Answer:
ATP(or Adenosine Triphosphate) provides energy to your body because it is a chemical that takes energy from the food you eat and turns it into energy your body can absorb. So because of this, it is considered a source of energy.
What is the mass of the object on the triple beam balance?
Answer:
298
Explanation:
because
Answer: 167
Explanation:
When two molecules are put in the same container they do not attract each other. Why does this happen?
a.they are both polar
b. they both contain oxygen
c. one is polar one is nonpolar
d. they contain different elements
Answer:
The correct answer is C.
C. One is polar one is nonpolar
Explanation:
what is the function of Motor Proteins
Answer:
Motor proteins propel themselves along the cytoskeleton using a mechanochemical cycle of filament binding, conformational change, filament release, conformation reversal, and filament rebinding.
Hope this helps :)
Which of the following is not a character of life?
Group of answer choices
pass on genetic material
blood flow
breath
Growth
maintain homeostasis
metabolize
use energy
Development
think
Made up of Cells
respond
reproduce
evolve
Answer:
blood flow and breathe i think
Explanation:
they wouldnt apply to plants, they are living just like animals
the cells of most prokaryotic cells have a what?
Answer:
hello Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
Which statement describes an advantage of models?
O Models can be used to communicate and test designs ideas.
Models always show the exact size of a system.
Models have the ability to develop into complex systems.
Models are useful for developing scientific methods.
Someone please help me
Answer:
Option B: Molecule 2
Explanation:
'Equilibrium of a molecule inside and outside a cell' means that there are similar numbers of that molecule on the inside and the outside. (hence 'equilibrium')
The number of each molecule is as follows:
Molecule 1 - Inside: 3, Outside: 5
Molecule 2 - Inside: 2, Outside: 3
Molecule 3 - Inside: 1, Outside: 5
Molecule 4 - Inside: 7, Outside: 4
Therefore the correct option is option b. 2
This is because the number of molecules inside the cell and outside the cell are the closest together, most similar out of all the molecules.
Hope this helped!
I NEED HELP ASAP! (Picture is attacted) You Dha Real One IF YOU DO!
100 POINTS!!!!!!!!!!! ( I NEED FAST ANSWERS ) Why do we use uranium for nuclear energy?
Answer:
Uranium is the fuel most widely used by nuclear plants for nuclear fission. ... Nuclear power plants use a certain kind of uranium, referred to as U-235, for fuel because its atoms are easily split apart. Although uranium is about 100 times more common than silver, U-235 is relatively rare.
Explanation:
i looked it up
Answer:
In a nuclear reactor the uranium fuel is assembled in such a way that a controlled fission chain reaction can be achieved. The heat created by splitting the U-235 atoms is then used to make steam which spins a turbine to drive a generator, producing electricity.
Explanation:
I pretty much covered it in the answer!
Pls Brainliest! It would mean a lot! ;)
An electromagnet is
O
A)a permanent magnet
B)made with bar magnets
C)attracts all metal substances
D)only operating when the current is on
Answer:
I think it's C
Explanation: I hoped this helped
What are bulging of eyeballs?
Answer:
bulging nose
Explanation:
What is the difference between poison and medicine? How can we use science to figure out the difference.
Will mark u brainliest.
Answer:
not sure how to go about this question so if I'm wrong please tell me
Explanation:
The difference between poison and medicine is that poison is used to harm to one's health whether its an animal or human while medicine is used to cure an illness or an injury. We can use science to figure out the difference by testing the substance on an animal or stem cells of a human scientists do this various times to be assured of its outcome.
Which of the following is a molecule when broken down to a simple particle?
O gold
O nitrogen
O water
O francium
Please sort between in animal cells in plant cells or in both.
Cell membrane
Cell wall
Cytoplasm
Mitochondrion
Chloroplasts
Vacuole
Ribosomes
Golgi Apparatus
lysosomes
Endoplasmic reticulum
Answer:
plant :cell wall,chloroplasts
animal:lysosome
both:cell membrane
mitochondria,golgi apparatus,cytoplasm,vacuole,ribosome,endoplasmic reticulum
Explanation:
what is the relationship between heart rate & respiratory rate (impact on oxygen, carbon dioxide & energy levels)
two martians, betty and ben want to have a child. they both have one eye but are hoping to have a three eyed baby. is this possible?
Answer:Yes
Explanation:
Only if someone down their bloodline has had 3 eyes. It would be possible, but highly unlikely.
Explain and describe complex inheritance.
Answer:
Complex Inheritance: (inherited) traits that have a genetic component that does not follow strict Mendelian inheritance. May involve the interaction of two or more genes or gene-environment interactions. ( HGPIA)
Explanation:
if someone can answer it without saying idk by november 2nd 2020 will be marked the brainliest! how does the nervous system work with the digestive system to make jump roping possible??please answer asap
compare the characteristic features of animals and plants
from which population do you believe they may have originated
Answer:
The Eukaryotic Bacterial population
Explanation:
All life springs from this one magnificent cell, if there is a picture/diagram please meake sure to show it
Which is not needed for facilatated diffusion?
Answer: energy is not needed
Answer:
Chemical energy from the ATP hydrolysis in the transport stage.
Explanation:
molecules and ions move their own concentrate resulting in the radiant reflecting its nature.