Biology EOC Review

Front

What are abiotic factors?

Back

Non-living components of an ecosystem that can affect living organisms, such as temperature, water, and nutrients.

Front

List three abiotic factors that could limit the Iowa River ecosystem.

Back

Temperature, fertilizer runoff from fields, drought or flood.

Front

What is endocytosis?

Back

A type of molecular transport where cells engulf substances to bring them inside.

Front

What is the probability of producing a homozygous recessive offspring from two heterozygous parents?

Back

25%.

Front

How are complementary strands of DNA linked?

Back

Each base in one strand is paired with a complementary base in the other.

Front

What is the function of enzymes in biological systems?

Back

To speed up chemical reactions in a cell.

Front

Define diffusion.

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is a Punnett square used for?

Back

To predict the genetic outcomes of a cross between two organisms.

Front

What is the role of temperature in an ecosystem?

Back

It can influence the metabolic rates of organisms and the types of species that can survive.