Sexual reproduction can be divided into two different types based on which of the following?

a. the type of cellular division

b. body symmetry

c. the location of fertilization

d. the presence of male and female animals

When algae is exposed to sunlight, blue and red wavelengths of light are absorbed by the algae to produce sugars. Energy from green wavelengths is not absorbed.

How do the Nervous and Digestive system interact?

Which of these provides the most creative explanation for why sediments form horizontal and parallel layers? Law of Superposition Law of Unconformities Principle of Uniformitarianism Principle of Original Horizontality

climate change has caused ice caps to melt in colder regions where polar bears live. The change has caused them to hunt less. this situation will lead to

Modern primates are characterized by arboreal adaptations. what is an example of this kind of adaptation in primates? a. an expanded reliance on sense of smell b. a precision grip c. opposable thumbs d. short digits

Which of the following statements is true? DNA testing can only be completed if evidence samples are very large. Polymerase chain reaction (PCR) testing can only be used on "fresh" DNA samples. Only identical twins have the exact same genome.

The bat and human are two very different species. Kevin is trying to explain to his family how similar humans and bats really are.

A chromosome has an inversion. Which describes a pericentric inversion? deletion of genes within the same chromosome arm switching of genes within the same chromosome arm switching of genes around the centromere deletion of genes around the

Which of the following is the correct definition of a learned behavior ... A. behaviors that are known innately via genetic information B. actions that humans know from the time that they are born C.

Why is the nuclear consider the command center of the cells