A dichotomous key is a way of sorting organisms based on

A : whether they are unicellular or multicellular

B : the types of cells they are made out of

C : a series of yes/no questions

D : whether organisms are autotrophs or heterotrophs

Which of the following is common to both eukaryotic and prokaryotic cells? Select one of the options below as your answer: a. Nucleus b. Nucleolus c. Plasma membrane

In theory the enzymes should work in colder conditions but at a lower rate, why?

What purpose does a chitinous cuticle serve in an earthworm?

A 54-gram sample of an unknown material has a volume equal to 20 cm3. What is the identity of the substance?

When an individual is exposed to extremely low air temperatures, the capillaries of the skin will dilate so that blood will flush into skin capillary beds and heat will radiate.

Proteins attract water and hold it within blood vessels, preventing it from freely flowing into the spaces between the cells. this is an example of how protein is used for: a. maintaining fluid and electrolyte balance. b. building antibodies. c.

Identify the fuel that could be classified as a nonrenewable or renewable resource. A) biomass B) geothermal C) wind D) tidal

Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enable it to move from the roots to the leaves of plants? a:Water exhibits cohesive behavior.

Whats the process of Asexual Reproduction for Komodo Dragons?

As you add drops of water to the surface of the penny, each drop sticks to the other water droplet forming a large drop on top of the penny. This is caused by which water property? Question options: adhesion cohesion capillary action