What was the ratio that Mendel observed between dominant and recessive traits in the F2 offspring of a monohybrid cross?

What external factors can affect the rate of speciation and extinction?

What were the earliest cell like, and how did they evolve

Ribosomes are made from rna. true, false

How the ozone layer contributed to the devolpment of eukaryotic ells

Using your prior knowledge, explain at least two differences between plants and animals. (Use 3 sentences)

Th especies that is know as a robin in England has a yellow breast, and another species that is know as a robin in the United States has a red breast. Which statement about common names does this fact best exemplify

Which law best describes why the planets are pulled toward the Sun and orbit it?

if antibiotics particles are released into the simulation, will those particles have the same chance of destroying each variations of bacteria when they reach them? explain.

A marine biologist observed an organism. It had openings on its body through which food particles and water passed. Which phylum does the organism belong to? Cnidaria Porifera Platyhelminthes

An increase in a predator population will directly result in A a decrease in the prey population B an increase in ecosystem balance C an increase in the rate of starvation D a decrease in the rate of predation