definitions
predator or prey
producers, consumers, and decomposers
interactions between organisms
biotic or abiotic
100
Define consumer. Give an example.
An organism that eats plants and/or animals for its energy. Answers will vary for examples.
100
See the food chain below.
grasses - mouse - snake - hawk
Is the mouse a predator, prey, or both?
Prey
100
Producers are organism that are able to make their own ____________.
Food
100
When energy passes from one producer to one consumer to one decomposer this is called a food_________.
chain
100
"Bio" in the word biotic means_______.
Life.
200
Define herbivore. Give an example.
An organism that consumes only producers for its energy. Answers will vary for examples.
200
Can an organism that is considered prey hunt other organisms for its food?
Yes, prey can be both 1st and 2nd consumers.
200
Consumers are organisms that ______________ in order to survive.
eat other organisms
200
When energy passes from many producers to many consumer to many decomposer this is called a food_________.
Web.
200
"A" in the word abiotic means________
Without or no.
300
Define abiotic. Give two examples.
Non-living factors or things found in an ecosystem. Answers will vary for examples.
300
See the food chain below.
grasses - mouse - snake - hawk
Is the snake a predator, prey, or both?
Both prey and predator.
300
Decomposers ______________ dead plants and animal materials.
break down
300
What could happen if a population of 2nd consumers is reduced in an ecosystem?
The organisms that the 2nd consumers ate could grow in population.
300
Name three biotic factors in a tropical rainforest ecosystem.
Answers will vary. Names of tropical plants and animals accepted -or simply- "producers, consumers, decomposers."
400
Define omnivore. Give an example.
An organism that eats both producers and consumers for its energy. Answers will vary for examples.
400
Have everyone on your team list three prey and three predators from their own individual ecosystem projects.
Answers will vary.
400
List a 1st consumer and 2nd consumer that appropriately fits into this food chain.
phytoplankton, _______, _______, shark
Answers will vary.
fish, penguin; fish, seal; mussels, sea otters; shrimp, fish; etc.
400
Is this Venus fly trap considered a producer, consumer, or both? Why?
It is considered both because is produces its own energy to grow yet it consumers flies and other small organism that get trapped in the plants "claws."
400
Name three abiotic factors of ocean or freshwater ecosystems.
Salinity, water pressure from depth, currents, tides, currents, wave affects, chemicals, nutrients, acidity, temperature
500
Define ecosystem and give three examples.
A community or producers, consumers, decomposers, and their living environment. Answers will vary for examples. Some examples are Grassland Ecosystems, Tropical Rainforest Ecosystems, Temperate Forest Ecosystems, Taiga Ecosystems, Desert Ecosystems, Tundra Ecosystems, Freshwater Ecosystems, Ocean Ecosystems, Coral reefs
500
True or False: Vultures and other scavengers who eat the carcasses of dead animals as part of their food diet can be listed as both consumers and decomposers.
True. Vultures and other scavengers eat both dead and living organisms so they can be listed as both decomposers and consumers.
500
Name two decomposers in an ocean ecosystem.
bacteria, fungi, marine worms, shrimp, lobsters, sea cucumbers, clams, and mussels.
500
Name an organism that eats a decomposer for food energy.
A robin eats worms, otters eat mussels and clams, decomposers eat other decomposers, etc.
500
Is the skeleton on a once living animal considered a biotic or an abiotic factor?
Biotic. Once living organisms like a skeleton or a dead, rotten log are considered biotic factors.