Ques:Answer the following question given this paragraph: Flatworms reproduce sexually. In most species, the same individuals produce both eggs and sperm. After fertilization occurs, the fertilized eggs pass out of the adult's body and hatch into larvae. There may be several different larval stages. The final larval stage develops into the adult form, and the life cycle repeats. Q: Flatworms reproduce sexually. in most species, the same individuals produce both what? Choices: - gametes - heart and sperm - diploid and haploid - eggs and sperm A:

Ans:eggs and sperm
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Ques:Answer the following question given this paragraph: Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a concentration gradient exists. Molecules will continue to flow in this manner until equilibrium is reached. At equilibrium, there is no longer an area of high concentration or low concentration, and molecules flow equally in both directions across the semipermeable membrane. At equilibrium, equal amounts of a molecule are entering and leaving a cell. Q: Diffusion can occur across a semipermeable membrane, such as the cell membrane, as long as a what exists? Choices: - polarity - parity - differential - concentration gradient A:

Ans:concentration gradient
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Ques:Answer the following question given this paragraph: 30.3 The reproductive adaptations of angiosperms include flowers and fruits. Q: In angiosperms, flowers and fruits are adaptations essential for what process? Choices: - variation - death - photosynthesis - reproduction A:

Ans:reproduction
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Ques:Answer the following question given this paragraph: Insects spread disease and destroy crops. However, they are essential for pollinating flowering plants. Q: What are essential for pollination, but can spread disease and destroy crops? Choices: - fruits - spiders - mice - insects A:

Ans:
insects
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