What is the role of respiration in living organisms?
- It breaks food down into the molecules that can be used by the cells.
- It removes waste products and excess water from the body.
- It supplies food and oxygen to the cells and removes cellular waste.
- It transforms the energy in food into energy that can be used by cells.
Answers: 2
Biology, 21.06.2019 15:00
Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine
Answers: 1
Biology, 21.06.2019 17:00
How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey
Answers: 2
Biology, 22.06.2019 01:30
In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
Answers: 2
What is the role of respiration in living organisms?
- It breaks food down into the molecules that...
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