__________ is a concentration of nerves and sensory structures at the head end. Fill in the blank(s) with the appropriate word(s)


Cephalization

Biology & Microbiology

You might also like to view...

Which of the following is NOT true of carbon

dioxide? a. It is released in the burning of fossil fuels. b. It contributes to ozone destruction. c. It is absorbed by plants. d. It contributes to global warming. e. All of these are true

Biology & Microbiology

The human genome contains about how many genes?

a. 1,000 b. 10,000 c. 20,000 d. 100,000 e. 200,000

Biology & Microbiology

Organisms living on the sediment surface of sandy and muddy beaches are collectively referred to as ________

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following is (are) found in many veins that help direct blood flow in one direction only: toward the heart?

A) valves B) lymph nodes C) myocardium D) pericardium

Biology & Microbiology