ANALYZE How could scientists use data from tree rings to learn more about ecosystems in the past? Use evidence from the tree ring in Figure 2a to support your answer.

Why do bacteria thrive even in hostile environments

Loss of protected health information collected for research should be directly reported to:

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.