Rock 2- volume=30cm3, mass=60g, and density=2g/cm3
Without a control group there wouldn’t be any basis for knowing if a result is due to the variable being tested
Answer:
C. Testes
Explanation:
Testes are only seen in males. It is an organ that produces spermatozoa (male reproductive cells).
Answer:
Hope this is helpful! Sorry if my answer is choppy.
Explanation:
Biotic and abiotic features are both important in ecosystems because for example, a biotic factor like a plant, relies on an abiotic factors like the rain and the sun. If the rain were non existent, then the plants would no longer be alive causing a chain reaction in the food system. Biotic factors like plants and animals that are non existent can also cause negative effects in biomes and ecosystems.
