They make up structural parts of cell membranes
Answer:
4.5 billion years ago
Earth hasn't always been a blue and green oasis of life in an otherwise inhospitable solar system. During our planet's first 50 million years, around 4.5 billion years ago, its surface was a hellscape of magma oceans, bubbling and belching with heat from Earth's interior.
Explanation:
Answer:
asteroids belt
Explanation:
The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars
A pedigree or a pedigree chart is used to track which organisms are carriers of a specific trait through several generations.
C.
Answer:
B: They have half the normal amount of genes
Explanation:
