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Rasek [7]
3 years ago
12

A herbaceous plant has

Biology
1 answer:
Goshia [24]3 years ago
3 0

Answer: option c a green stem without bark

Explanation: herbecious plants are usually called non Woody plant. They hve green stem and they usually have underground root.that help them take up water and nutrients from deep in the soil. They are mostly grassess and ferns. Their stem is usually soft because its body contains cellulose that makes them to be flexible. They grow very fast and have a lot of seeds.

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Which of the following statements does not support the conclusion that giraffes are k-selected species?
Trava [24]

The correct answer is C. Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth.

Explanation:

In biology, k-selected species are species that have stable populations although they do not give birth to multiple offspring at once and individual offspring are mainly big animals that require more time to mature this makes parents invest more time and effort in them to guarantee they survive. According to this, giraffes can be classified as k-selected species because they usually have limited offspring (Giraffes rarely give birth to twins), they seem to mature slowly and offspring requires more care and time (giraffes begin mating at 6-7 years of age) and they are large when they are born (Giraffes are approximately 6’ tall and weigh 150 lbs at birth).

However, the fact "Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth" does not support the idea these animals are k-select species because this shows rapid maturation and little time and effort invested which is the opposite to k-selected species.

4 0
3 years ago
Blood typing is based on the presence of proteins known as __________ on the outer surface of the red blood cell plasma membrane
tensa zangetsu [6.8K]

Answer: Option B) Antigens

Blood typing is based on the presence of proteins known as antigens on the outer surface of the red blood cell plasma membrane.

Explanation:

Blood groups A, B, AB, and O are determined based on the antigen-antibody reactions between donor and recipient bloods.

For instance,

- Blood type A has antigen A on its plasma membrane

- Blood type B has antigen B on its plasma membrane

- Blood type AB has both antigen A and antigen B on its plasma membrane

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So, antigens is the answer

8 0
3 years ago
What is the difference between plasma membrane and cell membrane?
garri49 [273]
The plasma membrane is the boundary between the cell and its environment. It regulates what enters and exits the cell. Cells must maintain an appropriate amount of molecules to function inside them. They must also have a way to keep things out or to allow things to enter. This is the job of the plasma membrane. The plasma membrane is like the guard at a gated community. The guard must inspect those who enter and those who leave to make sure that only the people and things needed in the community are there.

The cell membrane is a thin semi-permeable membrane that surrounds the cytoplasm of a cell. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell, while keeping other substances out. It also serves as a base of attachment for the cytoskeleton in some organisms and the cell wall in others. Thus the cell membrane also serves to help support the cell and help maintain its shape.

3 0
3 years ago
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dmitriy555 [2]

Answer:

A. It stops the release of eggs from the ovaries.

Explanation:

Emergency contraception stops the process of ovulation or releasing of the egg during pregnancy.  It reduces the risk of getting pregnant after having an intercourse.

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3 years ago
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