What does dichotomous means when classifying objects or organisms?

A skateboarder throws a ball away from himself. If the action force is the boy pushing on the ball, what is the reaction force? Which way will the boy on the skateboard move?

In a hypotonic solution, an animal cell will?

Why is it important that each species of amphibian has a specific mating vocalization that only the female of that same species can hear?

Each heredity trait corresponds to ___?

The sensory division of the body a. is part of the central nervous system. b. includes sensory neurons that receive impulses from the central nervous system. c. contains the somatic and autonomic nervous systems. d.

Recognize and use signal words, Assignment Signal words let you know what's coming next in a sentence. Signal words show relationships between ideas. Use the drop-down menus to identify the signal words in each sentences.

Which processes are caused by convection currents in the mantle? Check all that apply. 1. earthquakes 2. ridge push 3. tsunamis 4. slab pull 5. volcanic eruptions 6. subduction

Imagine that you are studying the food preferences of a lizard species across its range. you have hypothesized that because these populations are fairly separate from one another, the lizards have evolved different food preferences.

An animal cell (left) and a plant cell (right) are shown. Which organelle labeled x in the diagram is found in both plant and animal cells

Where is the name of the process by which coal is taken from earth after the layer of ground on top of it is removed? A) Underground mining B) Coal rig mining C) Strip mining D) Water-blast mining