Ques: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: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: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: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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