In the cladogram, which trait separates the salmon from the salamander?

A) Lungs

B) Claws or nails

C) Opposable thumbs

D) Fur, mammary glands

Of the following, which is the most accepted and accurate way to measure body fat

The geographic isolation of two populations of a species tends to increase different between their gene pools because it

Where are ribosomes usually located in animal and plant cells?

Name two processes in model 1 in which water is converted to vapor

Which is a plan for the future of space exploration? build a space station astronauts visiting Mars astronauts orbiting Earth build a space observator

Which sphere does a volcanologist most directly study

Identify the components of seawater

Glycogen belongs in the class of molecules known as

1. The concentration of sugar is higher inside a cell than outside the cell. The concentration of water inside the cell is lower than it is outside. Sugar cannot pass through the cell membrane.

Which describes the variable that is changed to test the prediction? A) dependent B) experimental C) control D) independent