If a kestrel eats a mouse that eats grass, the kestrel is a

A] producer

B] second-level consumer

C] first-level consumer

D] decomposer

Which of the following is an example of human monosomy - Down syndrome, Klinefelter syndrome, Turner syndrome, none of the above

What do "extension" and "flexion" mean?

Explain the evidence that indicates that species evolve over time

Which is a enzyme Helicase, Ligase, Hydrogenase or Replicase

Where do light dependent reactions occur

Which of the following is an example of sensors working during homeostasis? a blood volume decreasing from lack of water b the pancreas failing to release insulin c acidic blood pH disrupting cell metabolism d energy demands triggering a release of

If two organisms evolve in response to each other which evolutionary pattern is demonstrated

If there is a possibility of four different genotypes in the offspring that result from a dominant-recessive inheritance, and if the couple has four children, would they definitely have children with one expressing each genotype?

The ovaries are located in the ___ cavity.

Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. Eliminate C) osmosis. D) a passageway.