Ques: Q: Tropical rainforests are an example of a climate that occurs near what? Read this paragraph and choose the correct option from the provided answers: Tropical wet climates occur at or very near the Equator. They have high rainfall year round. Tropical rainforests ( FIgure below ) grow in this type of climate. Choices: - poles - deserts - tundras - equator A:
Ans: equator

Ques: Q: Why do birds need a light-weight body? Read this paragraph and choose the correct option from the provided answers: Birds need a light-weight body in order to stay aloft. Even so, flying is hard work, and flight muscles need a constant supply of oxygen- and nutrient-rich blood. The organ systems of birds are adapted to meet these needs. Choices: - for cooling - water flotation - food shortages - to stay aloft A:
Ans: to stay aloft

Ques: Q: During the embryonic stage of vertebrates, the notochord develops into what? Read this paragraph and choose the correct option from the provided answers: Living chordates are mainly vertebrates. In vertebrates, the notochord develops into a backbone, or vertebral column, after the embryonic stage. A small percentage of chordates are invertebrates. Their notochord never develops into a backbone. Invertebrate chordates include tunicates and lancelets. Both groups of animals are small and relatively primitive. They are probably similar to the earliest chordates that evolved more than 500 million years ago. Choices: - rib cage - umbilical cord - brain stem - backbone A:
Ans: backbone

Ques: Q: What is the scientific term for climates with the least moisture? Read this paragraph and choose the correct option from the provided answers: In terms of moisture, climates can be classified as arid (dry), semi-arid, humid (wet), or semi-humid. The amount of moisture depends on both precipitation and evaporation. Choices: - mediterannean - tropical - polar - arid A:
Ans:
arid