What is the study of relationships between organisms and their environment?
Ecology
Question: What is a large region with a particular climate and types of organisms called?
Answer: Biome
Question: What are the two major climate factors used to identify biomes?
Answer: Temperature and precipitation
Question: What type of organism makes its own food?
Answer: Producer
Question: What is an animal that eats only plants called?
Answer: Herbivore
Question: What is the name for all places on Earth where life exists?
Answer: Biosphere
Question: Which biome has permanently frozen ground called permafrost?
Answer: Tundra
Question: What generally happens to temperature as elevation increases?
Answer: Temperature decreases.
Question: What type of organism breaks down dead organisms and waste?
Answer: Decomposer
Question: What happens when organisms need the same limited resource?
Answer: Competition
Question: What is the difference between biotic and abiotic factors?
Answer: Biotic factors are living; abiotic factors are nonliving.
Question: Which biome receives less than 25 cm of rain per year?
Answer: Desert
Question: Why are areas near the Equator generally warmer than areas near the poles?
Answer: They receive more direct sunlight.
Question: What is the difference between a food chain and a food web?
Answer: A food chain shows one path of energy flow; a food web shows many connected food chains.
Question: What type of symbiotic relationship benefits both organisms?
Answer: Mutualism
Question: What is the difference between a habitat and a niche?
Answer: A habitat is where an organism lives; a niche is its role or way of life in the ecosystem.
Question: Which biome is warm and humid year-round and receives more than 250 cm of rain per year?
Answer: Tropical rainforest
Question: How can large bodies of water affect the climate of nearby land?
Answer: They moderate temperature changes.
Question: What is each feeding level in an ecological pyramid called?
Answer: Trophic level
Question: A tick benefits by feeding on an animal while harming the animal. What relationship is this?
Answer: Parasitism
Question: What is the difference between a population and a community?
Answer: A population is one species living in an area; a community contains all the different populations living there.
Question: Name the four major layers of a tropical rainforest.
Answer: Emergent layer, canopy, understory, and forest floor
Question: What is vertical zonation?
Answer: The change in climate and types of organisms as elevation changes.
Question: Why is less energy available at higher trophic levels?
Answer: Organisms use much of their energy for life processes, so only part is passed to the next level.
Question: An egret gets food by following a rhino, while the rhino is neither helped nor harmed. What relationship is this?
Answer: Commensalism