If cutting down oaks has a negative impact on an ecosystem, then what has a negative impact on an ecosystem?  Answer choices: - massive damage  - Pesticides  - good weather  - Destroy bridges  - planting trees  - normal water levels  - deforestation  - cutting down oaks
cutting down oaks

If cells are complex but all share basic functions, then what do all cells share?  Answer choices: - basic function  - Veins and arteries.  - exact structure  - how they look  - energy usage  - Electrical energy  - types of protein  - Chemical energy
basic function

Q: If grass supplies a source of food for animals worldwide, then what relies on grass as a food source?  Answer choices: - Bacteria  - Soil  - humans  - More grass  - perennials  - alpacas  - Animals  - tortoises
A: Animals

Question: If the digestive system uses catabolism to produce nutrients for the body, then what does the digestive system use to produce nutrients for the body?  Answer choices: - Proteins  - Enzymes  - oysters  - catabolism  - lungs  - ice cubes  - hair  - nutrients
Answer: catabolism

*Question*
If clusters form around hydrothermal vents to ensure survival, then how is survival ensured around hydrothermal vents?  Answer choices: - heat produced  - Eating a lot  - Reproducing quickly  - biological diversity  - vegetation  - Being in a cluster  - Staying far apart  - hydrate their cells
**Answer**
Being in a cluster

Q: If plant plankton needs sunlight to make food, then what does plant plankton need for food?  Answer choices: - Sunlight  - chemicals  - glucose  - warmth  - Bodily water  - photons  - The Sun  - Energy

A: Sunlight