BIOLOGY STAAR COMP

Front

What are the two species that are most closely related based on evolutionary relationships?

Back

Northern leopard frog and bullfrog.

Front

Which two systems interact when a person experiences itching from a skin irritant?

Back

Integumentary and nervous systems.

Front

What do the populations at the top of an energy pyramid represent?

Back

They receive the least amount of total energy provided to the ecosystem.

Front

How much energy is typically found at the secondary consumer level in an energy pyramid?

Back

100 joules.

Front

What is a cladogram used for in biology?

Back

To show evolutionary relationships among species.

Front

What is the primary function of the integumentary system?

Back

To protect the body and regulate temperature.

Front

Define trophic levels in an ecosystem.

Back

Trophic levels represent the hierarchical levels in an ecosystem, where organisms are classified based on their feeding relationships.

Front

What is the role of producers in an energy pyramid?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

What is the significance of a vertebral column in vertebrates?

Back

It provides structural support and protects the spinal cord.

Front

Explain the concept of energy flow in an ecosystem.

Back

Energy flows from producers to various consumer levels, decreasing at each trophic level.