Which best describes bacterium?

A. The shell surrounding a pilus

B. A particle that attacks viruses

C. A single celled organism

D. A type of virus

Lymphatic vessels begin in peripheral tissues and ultimately drain into

What is the relationship between mutation, selection, and adaption

List all health problems that are caused by smog

When fats decompose in an organism, energy is released. true/false

Match the kelp forest organism with its place in the forest. MatchTermDefinition Sea cucumbersA) canopy Giant Sea BassB) around holdfasts Sea ottersC) around the kelp strands

Which statement describes the relationship between plants, animals, and the carbon cycle?

In a glass you have 76% salt water also you have an egg which is 90% water inside, which way would the water move.

Explain how the water cycle functions because of change in matter.

Small vesicles containing pigment inside of pigmented fish epidermal cells aggregate or disperse in response to treatment with certain chemicals.

How does sunlight affect the process of photosynthesis