Explain why most scientists think the first cells were similar to today's archaea

Which of the following is a characteristic of diabetic ketoacidosis (DKA) ? Select all that apply. a. More common in type 1 diabetes b. Normal arterial pH level c. Rapid onset d. Absent ketones e. Elevated blood urea nitrogen (BUN) and creatinine

Algae can survive on the sea floor only in Polar areas Deep areas Shallow areas High density areas

How does continental drift affect living organisms? check all that apply. view available hint (s) check all that apply. it may cause an increase or decrease in competition among different species.

When golden hamsters were repeatedly threatened and attacked while young, they suffered long-term changes in a. brain chemistry. b. object permanence. c. imprinting. d. conservation?

If all of the offspring have roan coats-white hairs mixed into a base coat of red-what can be said about the red and white alleles for coat color?

What is the term for the flexible material that forms the structure of the ear? A. Cartilage B. Obliques C. Spongy tissue D. Osteoblast

Suppose you remove your test cultures from the incubator and notice that one of them-a known fermenter-has a gas bubble in the Durham tube. Knowing that fermenters frequently produce gas, you ignore the bubble and proceed to the next step.

In peas, yellow seed color (y) is dominant to green seed color (y). which describes an organism that has nonidentical alleles for seed color? yy and has green seeds yy and has yellow seeds yy and has yellow seeds yy and has green seeds

What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.

When blockages in the bloodstream read the Brian it can cause blank?