A group of tissues working together is called a (an) :

Small differences between parents and offspring accumulate over time. This process A. Prevents parents from being able to care for their offspring. B. Results in many different types of organisms with different characteristics from their ancestors.

The melting ice cubes in the density experiment represented icebergs in the ocean. The expression "the tip of the iceberg" means you can't see most of something. Icebergs are freshwater like ice cubes.

What is an ovule? what is an embryo?

Which environment would be more diverse? O desert O temperate forest O rainforest O tundra

What feature would you expect to find in a population in which sexual selection depends on female choice?

Are poisonous substances produced by bacteria

Which is the correct order of the parts through which urine flows in a nephron? loop of Henle - glomerulus - Bowman's capsule Bowman's capsule - loop of Henle - glomerulus glomerulus - Bowman's capsule - loop of Henle

Mitohondria is responisble for? a. DNA maintance b. storage c. protein production d. procviding energy for the cell

Cell differentiation refers to: a) cell organelles with different structure b) all the functions inside a cell c) the difference between plant cells and animal cells d) different functions inside an organism

Identification and location of genes on chromosomes that might affect cholesterol metabolism has been difficult because many of the genes that affect this trait interact, a phenomenon that is called epistasis. T or F?