The United States contains at least one biodiversity hot spot.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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A student brings you an animal to identify. It has a cephalothorax and no antennae. You would place it

in subphylum:A. Crustacea. B. Myriapoda. C. Hexapoda. D. Chilicerata. E. Hirudinea

Biology & Microbiology

What are vestigial structures?

What will be an ideal response?

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. Microbial contamination always results in infection. 2. Influenza is an example of a chronic disease. 3. Biofilms provide an alternative means for bacteria to attach to surfaces within the body.

Biology & Microbiology

Which method of hiding from the host immune system is incorrectly matched with its description?

A) latency: a pathogen exists quietly inside the host cell B) antigen variation: the pathogen frequently switches its antigens C) living intracellularly: a pathogen resides on the surface of a host cell where it is hidden by host cell surface molecules D) antigen mimicry: the pathogen's antigens are similar in structure to host molecules E) antigen masking: the pathogen covers itself in host factors to avoid detection of its own antigens

Biology & Microbiology