Members of which phylum contain stinging capsules that poison the entangled prey?

Rotifera

Porifera

Cnidaria

In a long bone, the osteons are: A. lined up in the same direction as the diaphysis of the bone B. lined up perpendicular to the long axis of the bone, in the direction of perforating canals. C. arranged in an irregular pattern D.

1. Define isometric contraction and describe an example Isometric contraction occurs when the muscle is activated but held at a fixed length. An example would be the muscles of the leg when holding oneself in a squat position. 2.

What (if anything) can be inferred about whether the common ancestor of each of the three major bilaterian clades had a true coelom?

Why do lipids make effective cell membranes in living cells?

Where can cells thay are able to differentaite be found

The source of most variations come from

Will water move into or out of a plant cell if the cell has a higher water potential than the surrounding environment?

White promotes a more sustainable use of resources? A. Driving more rather than walking B. Using more coal-based electricity C. Starting recycling programs D.

Which is the most likely last stage in a growth cycle?

Why is the musculoskeletal system Important to the human body