What do birth rate, death rate, immigration, and emigration determine about a population?

Covalent bonds are formed between metals and boiling points true or false

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line