Which of the following kingdoms contains only single-celled organisms?

A.) Eubacteria and Protista

B.) Eubacteria and Archaebacteria

C.) Archaebacteria and Protista

D.) Protista and Fungi

Phytoplankton are the main primary producers on land.

In a cross between Rr and Rr what's is the probability of the offspring showing a recessive trait?

Which of the following is NOT a renewable form of energy? A. Biomass B. Solar C. Coal D. Geothermal

The aqueous environment is made up of which molecule?

Susan makes a claim that humans do not evolve because we adapt to situations by changing our technology, not ourselves. Which piece of evidence contradicts this idea? Humans have been tool users for a long time. Other primates use tools.

Hich of the following is an advantage of asexual reproduction? A. No mate is required. B. It increases genetic diversity. C. More time is required. D. More energy is required.

Question 18 Which term best describes the diagram below? Eye color Blood type . Hair color Growth

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

8. Modern fishing practices threaten biodiversity mainly through the

What is transpiration, and how does it occur within a plant