D. He controlled variables by studying one or two traits at a time
Answer:
Since cell division occurs twice during meiosis, one starting cell can produce four gametes (eggs or sperm). In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase
Explanation:
Answer:
Producers!
Explanation:
Autotrophs are the foundation of every ecosystem on the planet. That may sound dramatic, but it's no exaggeration! Autotrophs form the base of food chains and food webs, and the energy they capture from light or chemicals sustains all the other organisms in the community. When we're talking about their role in food chains, we can call autotrophs producers.
<span>Regions of DNA that read the same regardless of the direction are called Palindromes. The sequence of nucleotides is the same whether you start from the 3' end or the 5' end. Palindromes may occur due to chromosomal inversion or due to breakage.</span>
I will come back to this question tomorrow with the paragraph
