Life Science

What is a producer in an ecosystem?

• An organism that makes its own food, usually through photosynthesis.

• An organism that consumes other organisms for energy.

• An organism that decomposes organic material.

• An organism that relies on external sources for food.

What are meat eaters called?

• Herbivores

• Carnivores

• Omnivores

• Insectivores

What is the role of decomposers in an ecosystem?

• They produce energy through photosynthesis.

• They break down dead organisms and recycle nutrients back into the soil.

• They compete with plants for sunlight and nutrients.

• They are primary consumers that feed on plants.

What are herbivores?

• Animals that only eat plants.

• Animals that eat both plants and meat.

• Animals that primarily eat meat.

• Animals that consume fungi and bacteria.

How is a plant cell different from an animal cell?

• Plants have cell walls, chlorophyll, and produce their own food.

• Animal cells have cell walls and chlorophyll.

• Plant cells do not have a nucleus.

• Animal cells can produce their own food.

Define ecosystem.

• All living and non-living things in an environment.

• A group of similar organisms that can breed and produce fertile offspring.

• The physical place where an organism lives.

• The process by which plants convert sunlight into energy.

What is the difference between a habitat and a niche?

• A habitat is where an organism lives, while a niche is how it interacts with the environment.

• A habitat is a type of organism, while a niche is a group of organisms.

• A habitat is the role of an organism in its community, while a niche is its physical location.

• A habitat is the food an organism eats, while a niche is its reproductive strategy.

What is photosynthesis?

• The process by which plants use sunlight to make their own food.

• A method of plant reproduction involving seeds.

• The absorption of water by plant roots.

• A chemical reaction that occurs in the dark.

What is the water cycle?

• The process of water being stored in lakes and rivers.

• The continuous movement of water through evaporation, condensation, and precipitation.

• The method by which plants absorb water from the soil.

• The cycle of water being filtered through the ground.

Fill in the blank: A cat is ________________________ because it can maintain a stable body temperature.

• cold-blooded

• warm-blooded

• ectothermic

• poikilothermic