The poison dart frog can have bright green, red, blue, or yellow skin that secretes a poisonous substance when it feels threatened. which type of adaptation does this describe?

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

What happens when the cell copies its chromosomes