Which type of cnidarian is found commonly in both salt water and fresh water?

a. hydras

b. jellyfish

c. corals

d. sea anemones

Environmentalists will buy pollution permits as a way of stopping pollution. a. True b. False

How do prokaryotes and eukaryotes differ and how are they alike?

Which polysaccharide is an important component in the structure of many animals and fungi?

The site of photosynthesis in a plant cell is the A) ribosome. Eliminate B) chloroplast. C) mitochondrion. D) endoplasmic reticulum.

1. The cell wall of a fungi is made of what? A-cellulose B-chitin C-cytoplasm

A plant that has red flowers was crossed with a plant that has white flowers. All of the offspring produced pink flowers. In this plant: A. the gene for red flowers is dominant. B. the gene for white flowers is dominant. C.

The process by which unspecialized cells become specialized cells is called

How does the mass of an object affect its a its acceleration during free fall

The speed of a sound wave a. is slower than an electromagnetic wave b. is faster than an electromagnetic wave c. is equal to an electromagnetic wave d. cannot be measured

Inner membrane of mitochondria evolved from