Answer the following question given this paragraph: Q: Polychaetes make up a large and diverse group. which category do the majority of these worms fall into? Choices: - carnivorous - terrestrial - amphibian - marine A:
marine
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Answer the following question given this paragraph: Q: Prostaglandins also help regulate the aggregation of platelets, one step in the formation of what? Choices: - bloats - acne - cysts - blood clots A:
blood clots
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Answer the following question given this paragraph: The gonads are glands that secrete sex hormones. Male gonads are called testes. They secrete the male sex hormone testosterone. The female gonads are called ovaries. They secrete the female sex hormone estrogen. Sex hormones stimulate the changes of puberty. They also control the production of sperm or eggs by the gonads. Q: What stimulates the changes of pubery? Choices: - sex education - mutation - parenting - sex hormones A:
sex hormones
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Answer the following question given this paragraph: Sexual reproduction is more complicated. It involves two parents. Special cells called gametes are produced by the parents. A gamete produced by a female parent is generally called an egg . A gamete produced by a male parent is usually called a sperm . An offspring forms when two gametes unite. The union of the two gametes is called fertilization . You can see a human sperm and egg uniting in Figure below . The initial cell that forms when two gametes unite is called a zygote . Q: In sexual reproduction, what is the name of the gamete cell the male must contribute? Choices: - plasma - spore - ova - sperm A:
sperm
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