The lower chamber of an amphibian's heart is called: a. atria. b. ventricle. c. auricle. d. none of the above.

What types of molecules diffuse through the cell membrane by facilitated diffusion

What are sedimentary rocks? A: Formed from pieces of weathered rock cemented together. B: Forms from cooling molten rock. C: Formed from existing rock that experiences high levels of heat and/or pressure.

What is the nation fruat

I'm which part of the cell is the majority of the energy released from breakdown of glucose

32. What are the correct organs of excretion? A. Kidney, Stomach, Liver B. Liver, Kidney, Heart C. Lungs, Liver, Kidney D. Skin, Heart, Stomach

Which of the following would most likely employ a forester? A. a state governments B. lumber businesses C. national govemments D. all of the above

How do environmental scientists use technology to track polar bears?

A rock formed from liquid magma at temperatures above 1000 degrees Celsius and the. Cooked and hardened what type of rock is it

You sample a population of butterflies and find that 56% are heterozygous at a particular locus. What should be the frequency of the recessive allele in this population? A. 0.07 B. 0.08 C. 0.09 D. 0.70

If there is a mutation in a zygote, where is it likely to be found in the fetus? A: The mutation will show up in any fetal cells formed by mitosis but not in those formed by meiosis.