CLEP Biology Readiness Test

A fern gametophyte releases sperm from a male reproductive structure. What is that structure called?

A plant tissue cylinder initially weighs 50 g and weighs 37.5 g after immersion. Assume the mass change is entirely water. What is its percentage mass change, using initial mass as the baseline? A negative value indicates loss.

A population begins the year with 350 individuals. During the year there are 49 births, 18 deaths, 18 immigrants, and 8 emigrants. Assuming no other changes, how many individuals are present at year end?

Which term or process best matches this description? An immune reaction targets a normally harmless environmental antigen.

A complex extracts electrons from water, producing molecular oxygen. Which photosystem performs this role?

In a simplified food chain, producers supply 100000 kJ of production. Assume exactly 20% transfers at EACH trophic step. How much production reaches a consumer 1 trophic transfer above the producers? The stated efficiency is an assumption for this problem.

Triglycerides are broken down enzymatically in the small intestine. Which enzyme class performs the hydrolysis?

A plant forms a cell plate after nuclear division. Which process is being completed?

Which term or process best matches this description? Gametes from different populations fail to fuse successfully.

Which term or process best matches this description? A root cell layer with Casparian strips regulates entry into the vascular cylinder.