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WorksheetsInterdependence and Diversity in Ecosystems
Total questions: 25
Worksheet time: 25mins
What is the LAST STEP in the process of Natural Selection?
Mutation
Evolution
Adaptation
Puberty
Which of the following causes variation in a species?
Mutations
Migration
Selection
Mating
Which statement BEST represents Natural Selection?
A fish is born with a slightly larger tail, allowing it to better outrun predators
Grass is overgrown by large bushes and dies from lack of sunlight
A hurricane knocks down a tall tree, making room for smaller plants
A virus causes an epidemic, making people sick
Genes that caused an organism to be well adapted have a greater chance of being passed on to future generations.
True
False
Which of the following could affect Natural Selection?
Read all the choices!
Amount of Sunlight
Temperature of the Climate
Amount of Water
Everything has an effect on Natural Selection
The flippers of a whale and the arms of a human have similar structures. What could this tell us?
Humans and Whales share a common ancestor
Whales are older than humans
Whales evolved from humans
Humans are older than whales
Your friend LaMarck just stated that "Giraffes stretched their necks to reach for higher leaves, and the offspring inherited longer necks as a result" What is wrong with this statement??
Characteristics are NOT passed on through genes
Spontaneous mutations do not result in new traits
Favorable adaptations have low survival value
Overpopulation reduces competition
People claim humans evolved from monkeys. This is NOT true, we simply have a common ancestor. What caused humans to split and become a different species?
Mutations!
What? There is nothing in common between humans and monkeys
Our DNA is identical, we ARE monkeys
No, no, I remember the picture. Humans evolved from Monkeys for sure.
What is the MAIN source of energy supply for a food chain?
(HINT: Where did all the energy come from?)
Sunlight (absorbed by producers)
Producers
Other animals
Decomposers
What is the MAIN way most energy is lost in a food chain?
Heat
Respiration
Waste
Growth
On average, how much energy is passed from one level of a food chain to another?
10%
90%
100%
50%
In a freshwater ecosystem, ducks and snails eat grass and algae. The snails are eaten by mice and ducks. A fox will eat mice, but also ducks.
From this description, how would you describe the Ducks?
Producer
Omnivore
Carnivore
Herbivore
In a freshwater ecosystem, ducks and snails eat grass and algae. The snails are eaten by mice and ducks. A fox will eat mice, but also ducks.
From this description, what would be an example Food Chain?
Fox --> Snail --> Duck --> Mouse
Algae --> Snail --> Mouse --> Fox
Algae --> Duck --> Mouse --> Fox
Snail --> Mouse --> Fox --> Duck
Based on the Food Web, which of these statements is true?
The shark is a producer
The octopus is a primary consumer
The limpet is a secondary consumer
The zooplankton is a primary consumer
Based on the Food Pyramid, how would your describe the frog?
Producer
Apex Predator
Primary Consumer (Herbivore)
Secondary Consumer (Carnivore)
Based on the Food Pyramid, how much energy makes it to the HAWK?
(HINT: Assume that the grass starts with 100% energy)
0.01%
0.1%
5%
100%
What is the definition of Symbiosis?
A close, permanent relationship between two or more different species
A long distance, temporary relationship between two or more different species
A community of animals with little to no interaction with one another
A relationship between a parent and offspring of the same species
Some isopods have been known to crawl into the mouth of a fish, devouring it's tongue and stealing some of its food. What is this an example of?
Predation
Competition
Parasitism
Commensalism
A shark will eat most anything, especially a seal. What is this an example of?
Predation
Parasitism
Commensalism
Mutualism
Orcas and Sharks eat similar foods in similar areas. Orcas have been known to kill sharks to keep them away from their food, but they do not eat the sharks. What is this an example of?
Competition
Predation
Parasitism
Mutualism
Lichen may look like a plant, but it is actually a combination of algae and fungus! The algae makes the food, and the fungus protects it. What is this an example of?
Mutualism
Commensalism
Competition
Parasitism
Clownfish are often found living in sea anemones. The clownfish keeps the anemone free of parasites and predators, and the anemone gives the clownfish a home and food scraps. What is this an example of?
Mutualism
Predation
Competition
Parasitism
A decorator crab will snip off bits of sponges to give itself camouflage. The sponge couldn't care less and ignores them. What is this an example of?
Commensalism
Mutualsim
Parasitism
Competition
Roundworms will often burrow into fish, feeding off of their intestines and other body tissues. What is this an example of?
Predation
Parasitism
Mutualism
Commensalism
BONUS: Happy 25 Anniversary, Pokemon!
Pikachu is the well known mascot of Pokemon. However, he was NOT the first choice. Which Pokemon was originally considered to be the mascot for the franchise?
