During an investigation on natural selection, a student selects a feeding tool that best models the beak of a bird that sips nectar from flowers. Which feeding tool did the student most likely select (a) amount of food
(b) number of bird feeders
(c) invasive bird populations
(d) native birds at backyard birdfeeders

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans

What contributes to the high level of biodiversity found in wetlands? a. the large amount of available organic matter to organisms that are food for larger organisms b. the amount of available water for organism use c. the high nutrient availability d. all of the above select the best answer from the choices provided a b c d