Which two embryos show the strongest structural and developmental similarities in their earliest stage of life?

A. chicken and fish

B. sea star and human

C. leech and frog

D. earthworm and snake

Scientists are studying two populations of the same species of sea turtle. one population is quite small with only 18 individuals, and the other is much larger, with 147 individuals.

The Sun is the original source of the energy in fossil fuels. True or False

Identify two ways that meiosis contributes to genetic recombination.

Why did the author begin the article by mentioning the coronavirus? A because it underscores a reason why people have lower immune systems B because it shows that people who are stressed are more likely to get flu-like illnesses st because it

Name at least 4 gases in the atmosphere besides oxygen and nitrogen

The structure of a DNA molecule is analogous to a

What is the value of biodiversity?

10 animales silvestres con la siguiente información: Nombre común Nombre científico Habitat Tipo de alimentación

The cellular process that enables the cells to grow and develop into tissue is

Explain how the examination of fossils led to the development of evolutionary theories.