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valentinak56 [21]
3 years ago
7

Water is a polar molecule, how is it able to cross the plasma membrane?

Biology
1 answer:
nlexa [21]3 years ago
5 0

Answer:

It would be Active transport.∞←

Explanation:

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Fossils may be:
Andru [333]

Answer:

The correct answer is option (e)-"All of the answer choices are correct".

Explanation:

Fossils are defined as the remains of ancient organisms. Fossils are obtained from impressions left after an organism decays. There are different kinds of fossils depending on the material they are made of and how they were formed. Some fossils are made from minerals that are the replacement of the organic matter of the ancient organism, or are the replacement of mud that came from footprints. Alternatively, fossils could be plant resins or tar that preserved a specimen within.

7 0
3 years ago
Which observation would be the best evidence for a recent founder event or population bottleneck?
Bingel [31]
The best evidence of such phenomena could be a population's genetic variation decrease.
When a population bottleneck occur it means that for some reason (i.e. environmental events) the size of a population is largely reduced. This leads to reduction of the genetic variation in that new smaller population. When a bottleneck occur, the founder effect is normally seen, which is that one population is established by a small group of a previously larger population leading once again the genetic variation, now though with a bigger population, to be very reduced.
7 0
3 years ago
In photosynthesis, the energy from the sun eventually gets converted into chemical energy in the form of ATP and sugar that the
marta [7]

Answer:

Glucose enters the mitochondria for production of ATP.

Explanation:

Photosynthesis is the process through which solar energy is used to make glucose.

To generate chemical energy for cellular processes, glucose is broken down through cellular respiration in the mitochondria. This generates large amounts of ATP, which acts a source of energy to power reactions in the cell.

Excess glucose is stored as starch in plant cells

5 0
3 years ago
Which of the foods below would be considered the least nutrient-dense?
Sergio [31]
To answer this we would the answer choices.
5 0
3 years ago
3. The island of Rum in Scotland had wolves and trees 500 years ago. It now has neither. A. Offer one hypothesis for the current
pychu [463]

To test for the keystone species hypothesis, the wolves in another region can be removed or trees can be reintroduced to see the effect on the ecosystem.

<h3>What is a keystone species?</h3>

A keystone species is an organism whose existence defines an entire ecosystem such that them, the ecosystem would be severely affected or may not exist.

Trophic cascades are events which result in serious distortions in an ecosystem as a result of the removal or addition of a top predator.

To test for the hypothesis of keystone species and trophic cascades, the wolves in another region can be removed or trees can be reintroduced to see the effect on the ecosystem.

Learn more about keystone species at: brainly.com/question/2044051

#SPJ1

3 0
2 years ago
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