Biology, 04.07.2019 02:50 charlottiechecketts0

What are three properties/characteristics of life?

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Biology, 22.06.2019 07:40, pulliamdylan

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

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Biology, 22.06.2019 08:50, gigimasters71p7tc6l

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

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Biology, 22.06.2019 15:00, Gunn2368

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

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Biology, 22.06.2019 15:50, Nigward666

We all have different forms of genes from our parent(s).what are these different forms called? a. alleles b. characters c. dna d. resources