Most of the neurons in the human brain are

On what does the recommended time (duration) of an endurance training workout depend? Frequency specificity intensity mode

What is the difference between repetition and replication

As hominids evolved, their litter sizes decreased and their gestation period increased. Which of the following inferences can be made based on this observation? Reproductive success would increase, since mothers had to carry fewer offspring.

What is macroevolution? a) genetic changes among and within populations b) minor changes in populations over a long time c) changes in a population's allele frequencies d) major changes in populations over a long time

All your cells contain proto-oncogenes, which can change into cancer-causing genes. Why do cells possess such potential time bombs?

What would happen if a keystone species is removed from an ecosystem

Which material will displace a volume of water? all of them cork and wax iron, lead, and aluminum none of them Which material will displace a volume of water less than its own volume?

Why is mitosis responible for for growth, repair, and maintence

Explain one way in which a hormone can prevent contraception

1) Which of the following explains why a bone in a bird's wing is homologous to a bone in a lizards leg? A) The bones in the two species provide for the same type of motion.