Which of the following is an example of an epigenetic change in eukaryotes? a) a loss of an at base pair from a gene b) the addition of methyl groups to cytosines in the promoter region of a gene c) the substitution of an at base pair by a gc base pair in a gene as a result of a mistake during dna replicationd) a deletion that simultaneously removes two genes from the genome e) none of these examples represents epigenetic changes.

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

Pls ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area