During which phase do chromosomes first become visible?

Under ideal conditions, bacteria have a generation time of about 20 minutes. Humans have a generation time of about 20 years. Which would you expect to evolve faster? Why?

Question 5 what organisms have an open circulatory system? fish frogs mammals insects birds

Are all cells able to survive on their own?

we eat 3 slices of bread with butter and 1 cup of milk. what class of food id lacking from the diet?

A forensic scientist reports that the blood type from a fight scene and that of a suspect are both blood type a. what type of analysis was done?

While on an archaeology expedition, you unearth a skeleton with the following characteristics: four long, slender finger bones and a smaller opposable thumb bone, long arm bones, fingernails, and eye sockets close together on a skull.

Describe respiration

Which of the following is a property of minerals? a. Age b. Odor c. Hardness d. Size

What created the abundant agriculture in the Napa Valley of California? A:oceanic-continental convergence B: an earthquake C: a tsunami D:continental-continental convergence

Why is it difficult for most chemical reaction in living things to occur without enzyme?