Biology

Biology, 16.07.2019 13:00, R3nNyx

Aresearcher wonders whether an acidic environment affects the growth of frogs. she varies the ph in five different tanks containing ten tadpoles each, and measures the length of the frogs after one year. all frog tanks are provided the same amount of food. what is the dependent variable in this experimentselect one: a. length of frogsb. number of tanksc. amount of foodd. ph of the tanks

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Biology, 25.06.2019 22:30, crossoverking07

Aresearcher wonders whether an acidic environment affects the growth of frogs. she varies the ph in five different tanks containing ten tadpoles each, and measures the length of the frogs after one year. all frog tanks are provided the same amount of food. what is the dependent variable in this experiment? a. ph of the tanks b. number of tanks c. amount of food d. length of frogs

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Biology, 24.07.2019 16:00, bjbass899

Tadpoles grown in ponds with high densities of tadpoles have lower survival and growth rates than tadpoles grown in ponds with lower densities of tadpoles. which interaction between tadpoles grown in high-tadpole-density ponds would most likely cause the decreased survival and growth rates. a. competition b. symbiosis c. commensalism d. mutualism

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Biology, 20.08.2019 00:50, liddopiink1

List the ways in which tadpoles (immature frogs) and frogs differ from each other? ?

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English, 15.10.2019 15:50, aronhaile

Read the passage. metamorphosis is the process by which caterpillars become butterflies and tadpoles become frogs. it is a process studied by young children in school and by scientists who want to understand how pollution affects an eco-system. but change is not just a scientific phenomenon. it is a part of life. we experience it every day. which best expresses the main idea? 1. frogs start life as tadpoles. 2.change is a part of daily life. 3. pollution affects both animals and humans. 4. metamorphosis means the process of changing.

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