Biology, 20.09.2021 06:50 ThereaalistNy

Practice Exercise #4 1. Which not needed to make food in plants?

A. Flower
B. Sunlight
C. Chlorophyll
D. Carbon Dioxide

2. What causes species extinction?

A. Pollution and reforestation
B. Reforestation and carbon emission
C. climate change and over consumption
D. conservation and consume less resources

3. Which is not a natural cause of extinction?

A. Disease
B. Catastrophic events
C. Introduction of new species
D. Competition due to overpopulation

4. Which is the correct sequence of events in cellular respiration?
A. Glycolysis - fermentation - Krebs Cycle
B. Glycolysis - Krebs Cycle - Electron Transport
C. Krebs Cycle - Electron Transport - Glycolysis
D. Krebs Cycle - Glycolysis - Electron Transport

5. Which is not true about energy transformation?

A. Energy is essential to all organisms.
B. Food contains energy that is needed by all organism.
C. Heterotrophs feed on autotrophs and other heterotrophs to gain energy.
D. Autotrophs do not need energy because they can produce their own food.

6. Which best summarizes the process of respiration?

A. Water + Carbon Dioxide ( light) sugar + oxygen
B. Sugar + Oxygen (enzymes) water+ carbon dioxide +energy
C. Water + Sugar ( light ) carbon dioxide + oxygen
D. Oxygen + Water (enzymes) sugar + carbon dioxide + energy

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Practice Exercise #4 1. Which not needed to make food in plants?

A. Flower
B. Sun...

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