Wichanimal is an ectothern

Why are ecological pyramids shaped as pyramids? A. Because there is a large decrease in the amount of energy or biomass as you move from one trophic level up to the next B.

The energy released in the process was originally present in

Which brain structure is activated first when people view threatening or fearful faces? a. the hypothalamus b. the amygdala c. the cerebellum d. the medulla?

Cystic fibrosis, which is usually lethal before reproductive ages, is a homozygous recessive disease. why do cases continue to arise, even though people with the disease rarely live to reproduce?

A. A cell has n=3. How many total chromosomes are in a diploid cell?

One of nature's most unique proteins provides cells with an abrasion-resistant, a condition known as: A) stratum germinativum B) dermal papilla C) melanin D) keratin

Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an f2 generation. the results were as follows: 6022 yellow and 2001 green (8023 total).

Where does the exchange of oxygen and carbon dioxide occur

Which could describe the chenicsl reaction that is shows

What biomolecules is an enzyme? what is the purpose of enzyme?