Cell

is the process by

which cells divide?

All multicellular organisms have a nervous system. false true

Currently, two extant elephant species (X and Y) are placed in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true? Species X and Y are not related to species Z.

Why did mendels use characteristics that only had 2 options? how did this aid in the development of his theories?

For fertilization to occur in humans, only one sperm is needed to weaken the barrier that surrounds the egg. a. True b. False

Cooking a cheeseburger physical or chemical

Which action by humans could improve the quality of the air? (1) building homes that use only oil furnaces for heat (2) buying cars that get more miles per gallon of gasoline (3) increasing the number of coal-burning power plants that generate

Which of the following do gymnosperms and angiosperms have in common? Check all that apply. sporophyte generation gametophyte generation pollination double fertilization sperm cells swim through water to reach ovule sperm cells travel through tube

Which zone receives the most sunlight? A. Aquifer B. profundal C. benthic D. littoral

Is a remote action system that healthcare professionals use to diagnose illness for rural or remote areas?

The main role of the axial skeleton is to protect and support vital organs. is this statement true or false?