Answer:
Penguins reproduce sexually, producing offspring that look different from one another
Explanation:
Producers provide oxygen gas as a result from photosynthesis - something that almost all other organisms at high trophic levels need
There are two classes of membrane transport proteins—carriers<span> and </span>channels<span>. Both form continuous </span>protein<span> pathways across the lipid bilayer. Whereas transport by </span>carriers<span> can be either active or passive, solute flow through </span>channel proteins<span> is always passive.</span>
<span>AntiÂpsychotic drugs generally work by blocking a specific subtype of the dopamine receptor, known as the D2 receptor. This helps to regulate the functioning of brain circuits that control thinking, mood, and perception.</span>
Answer:
(1) Nitrite poisoning
(2) Its cause is elevated levels of nitrite in the pond or culture system water.