Identify these elements of photosynthesis

The response is the basis for vaccination. primary secondary tertiary none of the above

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

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.