Use the following diagram of a hypothetical food web to answer the following questions. The arrows represent the transfer of food energy between the various trophic levels.

Which letter represents an organism that could be a primary consumer?

TLS Online TPP Program

#Question id: 11762

#Unit 9. Diversity of Life Forms

Typically as cells grow, their increase in volume outpaces their increase in surface area, and continued survival requires undergoing asexual reproduction to reestablish a healthy surface area to volume ratio. Thus, which of these is least likely to contribute to the ability of a single-celled foraminiferan to grow to a diameter of several centimeters?

TLS Online TPP Program

#Question id: 11763

#Unit 9. Diversity of Life Forms

What makes certain red algae appear red?

TLS Online TPP Program

#Question id: 11924

#Unit 9. Diversity of Life Forms

The largest seaweeds belong to which group?

TLS Online TPP Program

#Question id: 11925

#Unit 9. Diversity of Life Forms

The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?

TLS Online TPP Program

#Question id: 11926

#Unit 9. Diversity of Life Forms

The chloroplasts of all of the following are derived from ancestral red algae, except those of

TLS Online TPP Program

#Question id: 11927

#Unit 9. Diversity of Life Forms

A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group?