Which statement below about cells is true?

A. All things are composed of cells.

B. All cells come from other cells.

C. All cells have a nucleus.

D. All cells contain organs and tissues.

What do the letters on the top inside of a punnets square represent

The component of a muscle fiber that quickly transports a muscle impulse from the sarcolemma throughout the entire muscle fiber is called the

What term describes all of the members of a species of mockingbirds that live in the same area of Tampa? A a biome B a population C a community D an ecosystem

Birds with large, sharp beaks have survived better than the ones with small and medium beaks on an island where the trees bear hard-shelled nuts. Which type of selection does this example represent?

For the eighth observation (i = 8), identify the animal phylum, xi, and yi. a) phylum Cephalochordata; xi = 33; yi = 68 b) phylum Urochordata; xi = 77; yi = 25 c) phylum Porifera; xi = 5.8; yi = 25 d) phylum Urochordata; xi = 25; yi = 77

What happens directly afther prophase?

What equation is used to determine the gene frequency for a given gene in a population?

During photosynthesis, oxygen is converted to carbon dioxide. True Or False?

What characteristic of Charales would enable them to survive a dry spell? sperm with flagella phragmoplasts sporopollenin chlorophyll a

Many Head Start programs have a community aide who A. tutors at-risk children in the home. B. gives families the money they need to survive. C. connects families to community resources they need. D. represents families at family/teacher conferences.