Based on the energy pyramid seen here, which group of organisms is the primary consumer?

A) predator fish

B) birds and mammals

C) insects and zooplankton

D) phytoplankton and bacteria

Parts of the earth that are utilized in the nitrogen cycle

Hat is responsible for respiration in fish? lungs gills tracheae skin

A group of scientists have completed several investigations to gather evidence from fossils about the brachiopod. Which of these is the most likely outcome of the investigations?

What is a prokaryotes in biolog

While assessing the skin of a client, the nurse notices edema at the dorsum of the foot and ankle. which pre-disposing condition does the nurse anticipate in the client?

NASA has published a list of criteria for identifying fossil bacteria in samples from Mars, as part of a search for evidence of life. Which of the following is good evidence for the presence of bacterial cells? a. The cell size of 0.5 to 2 microns b.

How much rain does a dessert get each year?

Select the correct answer. in a family, the father is affected by a genetic disorder. The son in the family has the same disease, but the daughters do not have it. What type of inheritance is this? A. Y-linked B. X-linked C. Polygenic D. Codominant

Which of these is a heterozygous genotype? Select one: a. Tt b. TT c. ta d. tt

What is the final outcome of meiosis