Different kinds of plants must compete for water, which kind of plant has the greatest chance of survival? A. plants with large leaves, B. plants with needles instead of leaves, or C. plants with the largest root system.
What is c. plants with the largest root system.
100
What role do decomposers play in the ecosystem?
What is they break down waste and dead matter.
100
In an energy pyramid is the most energy in the top level or the bottom level?
What is the bottom level.
200
Label the following as producers or consumers: snake, sunflower, oak tree, squirrel, and fox.
What is producers: sunflower and oak tree.
consumers: snake, squirrel, and fox.
200
What adaptation best helps elk survive in the taiga biome:
thick fur, antlers, or winter hibernation?
What is thick fur.
200
When decomposers break down dead organisms what do they make that can be used by plants?
What is nitrogen compounds
200
Which biome is home to the least amount of organisms?
What is the tundra.
200
Which of the following is the source of much oxygen in the atmosphere? A. plants, B. volcanoes,or C. plankton in the ocean.
What is C. plankton in the ocean
300
How do herbivores obtain energy?
What is they eat plants
300
Creatures that live in the deep ocean need to adapt to which environmental factor: lack of food, high pressure, or high temperature?
What is high pressure.
300
In an ecosystem birds depend on insects to survive. if someone spreads pesticides to control the insect population, what is most likely to happen to the birds?
What is the bird population will decrease
300
Environmentalists are concerned with the destruction of wetlands, describe two ways that wetlands help the environment.
What is plants, soils, and microorganisms of wetlands act as filters, cleaning water and protecting inland areas from ocean waves.
300
observe the food chain shown, identify two different ones. Describe the similarities between the two you identified (that you can observe in all food chains.)
What is begins with a producer then moves to herbivores. Then it continues with omnivores/carnivores.
400
How do carnivores obtain energy?
What is they eat animals
400
A plant in a desert biome would most likely have what kind of root system? A. a small taproot with long root hairs, b. a small taproot with short root hairs, c. a large root system close to the surface, or D. a large root system deep beneath the surface?
What is C. a large root system close to the surface.
400
Corals have a symbiotic relationship with plant-like algae that grow inside them. how do the algae benefit the coral?
What is the algae helps the coral to make a hard outside coating.
400
Explain how the nonliving parts of an ecosystem impact the different organisms living in the environment.
What is organisms that live in various ecosystems have different needs that can be differ based on the amount of light, soil, and avg. temperature. Organisms will live in places where their needs are met.
400
Give an example of a carnivore and an herbivore from the food web.