Vertebrates that are cold-blooded, have dry skin and scales and usually lay eggs are classified as

a. amphibians

b. birds

c. reptiles

d. mammals

One of the unique characteristics of water is its ability to maintain a constant temperature within large aquatic systems. why is this important to an aquatic environment?

A toy car moves 3.5 m on a ramp with a force of 5.5N. How much work does the toy car do?

What would happen if the valve between the right atrium and right ventricle did not work properly?

What critical event occurs during interphase that is essential to mitosis?

Which of these is a biotic factor in a beach ecosystem

Making chemical energy from light energy is called cellular respiration. True or false

True or false, in the water molecule, electrons are equally shared by hydrogen atoms and oxygen atoms

What may happen as sediment and decaying organisms build up in a pond

Creatures that are poorly suited to the environment do not generally weaken the entire population because A. The population protects its own B. They often die before they can reproduce C. All populations have some weak members D.

Summarize the process of Transcription in your own words.