According to the principle of appropriate scale, even the smallest activities can have a impact a.
small
c.
large
b.
medium
d.
none of the above

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

White-headed woodpeckers are adapted to have strong beaks that can break into tree trunks to find bugs and can also open pine cones to get at the seeds. white-headed woodpeckers are best adapted to living in the biome.

1. using two to three sentences, summarize what you investigated and observed in this lab. 2. what building material did you use to build your house? did your results support or fail to support your hypotheses?