Q: Q: Chromosomal alterations are mutations that change what? Read this paragraph and choose the correct option from the provided answers: Chromosomal alterations are mutations that change chromosome structure. They occur when a section of a chromosome breaks off and rejoins incorrectly or does not rejoin at all. Possible ways these mutations can occur are illustrated in Figure below . Go to this link for a video about chromosomal alterations: http://www. youtube. com/watch?v=OrXRSqa_3lU (2:18). Choices: - Skeleton Structure - detected structure - discovery structure - chromosome structure A:
A: chromosome structure

Q: Q: What's the term for a relationship between two organisms where at least one benefits? Read this paragraph and choose the correct option from the provided answers: Symbiosis is a close relationship between organisms of different species in which at least one of the organisms benefits. The other organism may also benefit, or it may be unaffected or harmed by the relationship. Figure below shows an example of symbiosis. The birds in the picture are able to pick out food from the fur of the deer. The deer won't eat the birds. In fact, the deer knowingly lets the birds rest on it. What, if anything, do you think the deer gets out of the relationship?. Choices: - dermatitis - morphogenesis - meiosis - symbiosis A:
A: symbiosis

Q: Q: What process is used to chemically and mechanically break down the food you eat into smaller parts? Read this paragraph and choose the correct option from the provided answers: Digestion and Absorption Digestion is the mechanical and chemical break down of food into small organic fragments. It is important to break down macromolecules into smaller fragments that are of suitable size for absorption across the digestive epithelium. Large, complex molecules of proteins, polysaccharides, and lipids must be reduced to simpler particles such as simple sugar before they can be absorbed by the digestive epithelial cells. Different organs play specific roles in the digestive process. Choices: - absorption - regression - filtration - digestion A:
A: digestion

Q: Q: What is the term for liquid water falling from the sky? Read this paragraph and choose the correct option from the provided answers: Choices: - wind - fire - mud - rain A:
A: rain