A researcher discovers a fossil of what appears to be one of the oldest-known multicellular organisms. the researcher could estimate the age of this fossil based on

Give characteristics of electron microscope

5. Traditional classifications tended to take into account primarily A. extinct organisms. B. RNA similarities. C. DNA similarities. D. visible similarities and differences.

The traditional, Darwinian view of evolution was that of: slow, gradual change over long periods of time moderate changes over long periods of time fast, rapid changes in a short amount of time species do not change

What happens as pigments are mixed together?

Which of these is a successful time management strategy

Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts.

Since plant cells do not have centrioles, how do they make spindle fibers during mitosis?

Plants use sunlight to produce some ATP during photosynthesis. How do plants produce ATP when the Sun is not out? a. Plants are secondary consumers. b. Plants also use cellular respiration. c. Plants extract ATP from the stars. d.

Describe 4 ways that we know the global climate is changing

What does each individual node in a cladogram represent