Some of these receptors bind to antigens in the blood. The
antigen are then endocytosed and identified. Some of the receptors such as the MHC II are
used in antigen-presentation. They display the antigen for identification and
activation of other lymphocytes.
Answer:
microorganisms, or bacteria
Answer:
the uncontrolled growth of cells is known as cancer
Given what we know, we can confirm that if a population of animals has a short gestational period and travel in large groups, this will result in increased mating leading to higher birth rates and an increase in individuals.
<h3>How is the gestational period related to birth rates?</h3>
- The gestational period refers to the time it takes an organism to fully develop a newborn.
- This means that a pregnant female of this animal group will not take very long to give birth.
- This also implies a short recovery period.
- This results in the females being able to breed more often and thus will increase birth rates.
Therefore, given that the females in the group will carry the fetus for very short amounts of time due to the short gestational periods, they will become available to breed more often and thus will result in higher birth rates and increased population size.
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Complete Question: In apneustic breathing, which is practiced by most marine mammals:
A. A small amount of air is kept in the lungs before diving
B. A large amount of air is kept in the mouth before diving
C. Normal breathing is maintained before diving
D. Several deep breaths are taken before exhaling and diving
E. No actual breathing takes place before diving
Answer: D. Several deep breaths are taken before exhaling and diving.
Explanation:
Common dolphins, whales and other marine mammals are known to undergo apneustic breathing. This breathing process is characterized by periodic or several breathe inhalation, followed by holding their breath and then exhaling them.
Marine mammals can afterwards, went on to dive. This process prevent high water loss out. Thus, they make fewer respirations while maximizing the amount of oxygen produced for optimal consumption.
