Fish are thought to have descended from ostracoderms.

Why does net productivity diminish with increasing trophic levels?

A mutated form of hemoglobin, known as hemoglobin Lepore occurs rarely in the human population. Hemoglobin Lepore has a deleted set of amino acids. If it were caused by unequal crossing over, what would be an expected consequence? a.

Restriction enzymes are used to A: amplify a region of DNA B:Cut double-Stranded DNA C:Splice a region of DNA into a vector D:Hybridize DNA with RNA

A type of skin cancer that arises from the epidermis and occurs most often on the scalp and lower lip is

How long does it take for an edible to kick in?

In any food web, which organism has the LEAST available energy? A) birds or omnivores B) plants or producers C) fungi or decomposers D) animals or carnivores

What organelle stores DNA in eurkaryotic cells?

What two genotypes would show as a dominant trait?

Lymphoma is a disease that prevents the lymph nodes from functioning properly. which would be a result someone having this disease a) they would be more likely to be harmed by common viruses b) they would be less likely to catch a cold or a flue c)

When energy is realesed during a chemical reaction what is it called?