A student wants to design an experiment to test the hypothesis "temperature affects the reproductive rate of bacteria." What should the independent variable be?

The cells of unicellular organisms are A. Specialized to perform different tasks B. Larger than those of multicellular organisms C. Able to carry out all of the functions necessary for life D. Unable to respond to changes in their environment

How is identifying rocks different from identifying the minerals that compose the rocks?

What types of materials are expelled from cells during exocytosis? Question 8 options: large molecules such as hormones positive and negative ions small molecules such as carbon dioxide water and glycerol

What molecules make up the steps of the DNA ladder?

What is the main primary producer in a coral reef ecosystem? A turf algae B coral C zooxanthellae D anemones

Whichever dna strand is transcribed, the rna polymerase reads the template strand from 3′ to 5′. a. True b. False?

What is the current scientific thinking about the information of the solar system?

Which personality type is associated with having the greater amounts of stress in an individual's life?

If it wasn't for___reproduction, the passing of mutations from one generation to the next would continue.

If, Mia found this fossil and chiseled it from a sedimentary rock, what type of fossil most likely is it? A. Cast, B. Amber, C. Index fossil, D. Trace fossil.