An organism lives in the darkest aquatic ecosystem, where light cannot reach. Which ecosystem is this organism most

likely in?

a river

a lake

the open ocean

an intertidal zone

Having a bent thumb is a recessive human trait

Name the two kingdoms that only contain prokaryotes.

Based on the pedigree chart what should you assume about the parental generation

What is the phenotype, if both alleles are recessive?: Eye color - blue (B) - Green (B)

What is relationship between restriction sites and a restriction map

What is the structural difference between plant and animal cells which makes them differ in cytokinesis? Plant cells have a cleavage furrow and animal cells do not.

The living part of the cell found both inside and outside of the nucleus is called protoplasm. This material is composed of proteins, carbohydrates, electrolytes, water, and what other substance?

Outline how global warming may affect arctic ecosystems.

When an organism reproduces asexually, it usually has (1) only one parent, and half as much DNA as the parent (2) only one parent, and the same chromosome number as the parent (3) two parents, and twice as much DNA as either parent (4) two parents,

A country that is not growing is characterized by an age structure that is