Laurita and Trey notice that the two hermit crabs in their class prefer peanut butter over the crab food from the pet store. They conclude that all hermit crabs prefer peanut butter to the crab food. Why is their conclusion flawed? A) They have made a valid conclusion. B) They should have given the crabs more choices of food C) They should design an experiment with a control and use a much larger sample size. D) They should design an experiment to test the preference of the two crabs with a control.

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass