A type of multicellular animal that consists of cells with little specialization is a 

A. tapeworm.
B. jellyfish.
C. sponge.
D. bee.


C. sponge.

Biology & Microbiology

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The movement of materials already in the phloem can be described using the term(s):

a. source-to-sink only b. pressure flow only c. cohesion only d. both active transport and cohesion e. both source-to-sink and pressure flow

Biology & Microbiology

Inflammation begins when mast cells in tissue

release __________, which increases blood flow and also makes capillaries leaky to phagocytes and plasma proteins. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The oldest fossils of eukaryotes have been estimated to be

A. 1995 years old. B. 4.5 billion years old. C. 1.5 billion years old. D. 6000 years old. E. 8 billion years old.

Biology & Microbiology

The glycocalyx of a eukaryotic cell performs all of the following functions EXCEPT

A) protection against dehydration. B) anchoring cells to each other. C) cellular recognition and communication. D) transfer of genetic material between cells. E) strengthening the cell surface.

Biology & Microbiology