There are two machines in this photograph. The wheelchair is a compound machine.

Is the other machine in the photograph a simple or a compound machine?

A.

simple machine

B.

compound machine

What types of mutations adds material to the genome?

Which of the following types of algae shows a distinct alternation of generations? A) Chlorophytes B) Phaeophytes . C) Chrysophytes

A man who is color-blind marries a woman who is not color-blind and is not a carrier of the allele for color blindness. Create a Punnett square to predict the possible genotypes of their children.

Which of these is true of meiosis? A. n 2n B. 2n n C. 2n 2n D. n n

What is immigration? A. When animals are bom in an ecosystem B. When animals die in an ecosystem C. When animals move into an ecosystem D. When animals leave an ecosystem

Which type of macromolecule is the quickest source of energy for the body

Which two structures contain DNA

When reproduction is achieved through meiosis and subsequent fertilization it is called?

Which statement is correct? A. Both plants and fungi undergo photosynthesis. B. Both protists and fungi are eukaryotic. C. Like some prokaryotes, fungi are autotrophic. D. Both animals and fungi lack cell walls.

In an ecosystem, bees are responsible for the pollination of flowers. Over time, the number of bees in the population have increased. Which of these best explains why the number of flowers in the population have also increased?