How many years ago did flowering plants evolve?

3.5 billion

144 million

50,000

5,000

With which of the following does the growth rate decrease as the population gets bigger? A. exponential growth B. zero growth C. logistic growth D. dynamic growth

When dead animals break down which of the following is released into the atmosphere?

Is there a relationship between the number of chirps per minute and the temperature? If so, describe the relationship.

Given what you know about these two strains of yeast, what role does a cell's ability to repair dna play in how well it tolerates exposure to sunlight?

Which of the following results provided evidence of a discrete nuclear localization signal somewhere on the nucleoplasmin protein? A. The nucleoplasmin protein was small and easily slipped through the nuclear pore complex B.

In what ways are mosses liverworts in the hornworts words similar

Carbon-14 has a half life of 5,770 years. A fossil was found that had 1/32 of its original Carbon-14 remaining. How old is the fossil?

Why are many trials taken and averaged in an experiment?

Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black feathers that resemble a moustache extending from the bill along each side of the head.

The following are features of mitosis or meiosis. can you put them in groups. im so confused : allows for transmission of chromosomes to offspring, necessary for growth and regeneration, allows for regeneration of an organism, two identical diploid