Answer:
legs, lungs, new digestive track
Explanation:
Answer:
C. Genetic Exchange
Answer:
Your answer is probably A). If you find a fossil of an armored fish in layer A, and you find a fossil of a trilobite in layer B (five layers deeper), then you can safely assume that the trilobite is older than the armored fish.
Answer:
By pulling down rocks and particles.
Explanation:
For example, in a cliff, where rocks are being pulled down by gravity. Their particles and small pieces of rock are forced to fall apart, slowly eroding down any rock or sediment.
Answer:Their impact(s) may be beneficial or detrimental depending on how these ... [Some of these technologies are related to the manipulation of biological ... Techniques have been developed to expand both the diversity of nucleotide or ... By the early 1970s, scientists had demonstrated that they could engineer synthetic genes.
Explanation: