What did Charles Darwin learn from reading the work of geologists in the early 1800's?
A. All geological change is caused by living organisms.
B. Earth is relatively young.
C. The processes that formed old rocks on Earth do not operate today.
D. Earth is very old.

Give examples of animals that live in sea and are considered mammals. ♡

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

What is true of sea slugs in these orders