Biotic vs. Abiotic (Biótica vs. Abiótica)
Category 2: Food Chains & Food Webs (Cadenas Alimenticias)
Category 3: Water Cycle & Photosynthesis
Category 4: Ecosystem Disturbances
100

Question: Is water biotic or abiotic? Explain why.


Answer: Abiotic because it is not living.

100

Question: What is the first source of energy in most food chains?

Answer: The Sun.

100

Question: What gas do plants take in during photosynthesis?


Answer: Carbon dioxide (CO₂).


100

Question: Name one natural disturbance that affects ecosystems.

Answer: Wildfire, hurricane, flood, drought, earthquake, volcanic eruption.


200

Question: Name two biotic factors found in an ecosystem.


Answer: Examples: plants, animals, fungi, bacteria.

200

Question: What is a producer?


Answer: An organism that makes its own food through photosynthesis.

200

Question: Name one stage of the water cycle.


Answer: Evaporation, condensation, precipitation, or collection.

200

Question: Name one human activity that harms ecosystems.

Answer: Pollution, deforestation, overfishing, littering, habitat destruction.


300

Question: Is the Sun biotic or abiotic? Why?

Answer: Abiotic because it is nonliving.

300

Question: If a snake eats a mouse, and the hawk eats the snake, who is the predator?


Answer: The hawk.


300

Question: During photosynthesis, plants use sunlight to make what?


Answer: Glucose (food) and oxygen.


300

Question: Why is pollution harmful to ecosystems?

Answer: It can kill organisms and damage habitats.

400

Question: Give one example of how an abiotic factor can affect a living organism.


Answer: Water helps plants grow; sunlight allows photosynthesis; temperature affects survival.

400

Question: Why are food webs more realistic than food chains?


Answer: Because organisms usually eat more than one type of food.

400

Question: Why is photosynthesis important for animals?


Answer: It produces oxygen and food that animals depend on.

400

Question: How can humans help protect ecosystems?

Answer: Recycling, planting trees, reducing pollution, conserving water, protecting wildlife.


500

Question: Explain why water is considered one of the most important abiotic factors.factors.


Answer: All living things need water to survive.

500

Question: What would most likely happen if all producers disappeared?


Answer: Most organisms would eventually die because the food chain would collapse.

500

Question: Explain the journey of one drop of water through the water cycle.


Answer: Example: evaporation → condensation → precipitation → collection.

500

Question: Explain how removing one species can affect an entire ecosystem.

Answer: It can disrupt the food web and affect many other organisms.