All living organisms are composed of

O A.

only one cell.

OB. at least three cells.

OC. one or more cells.

OD. at least 100 cells.

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

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

What would most likely happen to life on Earth if the carbon cycle stopped? Life would continue unchanged. Life would conse to exist. Only plants would be affected. Only animals would be affected.