The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that B) tropical regions have more available water and higher levels of solar radiation.
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Answer:
They could all become some sort of food for people.
Explanation: Hope this helps! :)
It's not alive, nor is it even an organic compound.
- It cannot respond to stimuli (Responsiveness)
- It cannot secrete hormones (Secretion)
- It cannot send messages along a nervous system or anything similar (Conductivity)
- It cannot break down compounds to usable energy forms (Digestion)
- It cannot absorb broken down compounds as an energy source (Absorption)
- It cannot reproduce (Reproduction)
- It cannot grow--it has no cells (Growth)
- It cannot exchange gases between cells (Respiration)
- It cannot rid itself of waste material (Excretion)
Answer:
People with the sickle cell mutation in both copies of the HBB gene produce proteins that clump together and lead to changes in the shape and behavior of red blood cells.
The primary function of estrogens in women is development of female sexual characteristics during puberty. (Breasts, regulation of the menstrual cycle etc.)
In males estrogen helps in maturation of the sperm and maintenance of a healthy libido.
