The base of the pyramid is built from organisms that primarily

A) are autotrophs.

B) are heterotrophs.

C) consume organisms located above them.

D) are heterotrophic, primary consumers.

Describe how parent cells become two daughter cells

Which of the following is NOT a flatworm? 1. Flukes 2. TapeWorm 3. Planarian 4. None Of The Above

From the following list, correctly identify the reason (s) that might explain a decrease in Vmax due to a suboptimal pH during an enzyme assay. a. Protonation of the substrate b. Deprotonation of the amino acids in the enzyme's active site c.

Does the machanical energy of an apple falling from a tree change

Which best describes the age structure of a population with zero population growth? Question 5 options: The majority of people are of prereproductive ages in a broad-base pyramid age structure diagram.

Which of the following statements about metabolism are true? 1) Catabolism is the process in which complex substances are broken down, yielding a net output of energy.

How would crowded conditions in cities favor spread of plague?

What is two sources of energy that are renewable and available in virginia?

The basic weapon of an American soldier in Vietnam was the 'rifle.

What pollutants from agriculture affect our groundwater?