Which features differentiate most members of protista apart from the rest of the eukaryotic kingdoms?

A) unicellular and microscopic
B) multicellular and microscopic
C) photosynthetic and unicellular
D) heterotrophic and multicellular
E) None of the answer choices is correct.

Evolution occurs when

A) individuals in a population change in response to the environment.
B) the average value of trait in a population changes from one generation to the next.
C) individuals in a population change in response to the environment and the average value of trait in a population changes from one generation to the next.
D) None of the given choices are correct.

During embryonic development, the proembryo develops from the basal cell.

Cardiac output is obtained by multiplying stroke volume by heart rate.

Healing after clot formation involves

A) clot retraction.
B) repair of the damaged blood vessel by connective tissue cells.
C) clot dissolution.
D) serum being squeezed out of the clot.
E) All of the choices are correct.

Hemicellulose contains chains of xylose molecules.

In the classification of joints, which statement is true?

A) Immovable joints are called amphiarthroses.
B) Synarthrotic joints are slightly movable.
C) All synovial joints are freely movable.
D) In cartilaginous joints, a joint cavity is present.