What does the KT boundary tell us most likely occurred? What did this event cause

Which of the following provide evidence that South America, Africa, Antarctica, and Australia were once together as one supercontinent? Select the three correct answers. Cratons match across the edges of continents.

Three cells undergo meiosis how many haploid cells are produced

Bumblebees show some ability to control their own body temperature. During cold weather, bumblebees have been observed warming their flight muscles by shivering.

If dna directs the production of rna what does rna make

Suppose an animal is heterozygous AaBbCc, and the traits are not linked. When meiosis occurs, what is the total number of possible combinations of gametes that can be made for these traits?

Which of the following is true about radio waves? A. Radio waves can carry energy through the vacuum of space but not through matter. B. Radio waves can carry energy through both matter and the vacuum of space. C.

What was the probability that the offspring will be unable to roll the tounge A. 0 B. 2 C. 3 D. 4

When a uniform becomes saturated with blood, what is the proper action that should be taken before an athlete can return to competition? select only one?

Which step in the scientific method is next after conducting an experiment

What are 2 types of gene mutations?