Biology, 11.10.2019 11:30 CarQuestionl6367
In an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of the lower tier at a slight angle. which organism is it likely to be? the choices are the following: earthworm. . starfish. . sea cucumber. . sea urchin.
Answers: 3
Biology, 21.06.2019 15:30
The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses
Answers: 1
Biology, 21.06.2019 17:30
Which organelle releases chemicals that break down large food particles into smaller ones?
Answers: 1
Biology, 21.06.2019 18:30
Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine
Answers: 3
Biology, 22.06.2019 07:40
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
Answers: 1
In an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of th...
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