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suter [353]
3 years ago
15

A cell membrane is ___________, because it regulates what materials enter the cell.

Biology
1 answer:
vesna_86 [32]3 years ago
8 0
A cell membrane is c.selectively permeable because it regulates what materials enter the cell.
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Write the biological mechanism involved in breathing.
barxatty [35]
<span>Good Morning!

The breathing process occurs as follows: Inhalation increases the volume of the lungs, which reduces internal pressure and causes air to enter. Then the exhalation makes the opposite process. Gaseous exchanges occur in the lung alveoli and are responsible for eliminating the gases we do not need and preparing the oxygen to be spread throughout the body.

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7 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

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3 0
2 years ago
In an element's square on the periodic table, the number with the greatest numerical value represents the
Goshia [24]

In the square of an element on the periodic table, the number with the highest numerical value represents the atomic number.

  • atomic number.

<h3>What is the atomic number Z?</h3>

The atomic number is represented by the letter Z and indicates the number of protons (p) in the nucleus of the atom. This quantity is characteristic of each chemical element.

With this information, we can conclude that The atomic number, represented by the capital letter Z, corresponds to the number of protons in the nucleus of atoms (Z = p).

Learn more about atomic number in brainly.com/question/8834373

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3 0
2 years ago
You are a _____ consumer if you feed on secondary consumers.
Paha777 [63]
I believe the answer is tertiary
6 0
3 years ago
Read 2 more answers
The innermost layer of root cortex is called:
Alina [70]

Answer:

B. Endodermis

Explanation:

7 0
2 years ago
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