Desert
A tick drinks blood from a coyote. The tick is helped and the coyote is harmed. What relationship is this?
Answer: Parasitism
Bees get nectar from flowers. The bees are helped and the flowers are helped. What relationship is this?
Answer: Mutualism
A shark eats a fish. What is the shark?
Answer: Predator
A polar bear hunts a seal. What is the seal?
Answer: Prey
A bird makes a nest in a cactus. The bird is helped and the cactus is not helped or harmed. What relationship is this?
Answer: Commensalism
Which animal would survive better in the desert: a camel or a penguin?
Answer: Camel
There are 100 deer living in one forest. What is this group called?
Answer: Population
A dolphin and a shark both want the same fish to eat. What is this called?
Answer: Competition
What animal do polar bears hunt?
Answer: Seal
A lion eats a zebra. What is the zebra?
Answer: Prey
A desert has snakes, lizards, cacti, sunlight, and sand. What is this called?
Answer: Ecosystem
Is a deer a producer or a consumer?
Answer: Consumer
A barnacle attaches to a whale and gets a place to live. The whale is not helped or harmed. What relationship is this?
Answer: Commensalism
Make a food chain with these listed animals
Polar Bear, Fish, and Seal
Answer: Fish → Seal → Polar Bear
Two zebras eat grass from the same place. What is this called?
Answer: Competition
A cactus has fewer animals living near it after a drought. What most likely happened to the ecosystem?
Answer: It became harder for organisms to survive / resources decrease
If the tree population decreases, what will likely happen to deer over time?
Answer: Deer population will decrease (less food/shelter)
If barnacles live on whales but don’t harm them, why don’t whale populations change much because of barnacles?
Answer: Because whales are not affected
A disease causes many seals to die. Which animal in the ecosystem would most likely be affected next?
Answer: Polar Bear
If ticks increase on zebras, what might happen to zebras and lions over time?
Answer: Zebras decrease, lions may decrease
If a disease kills most of the lizards, what two populations might change next and why?
Answer: Insects may increase and snakes may decrease, because of starvation.
If wolves are removed from the forest, what might happen to deer and plants?
Answer: Deer increase, plants decrease.
In the ocean, a shark eats a fish, and barnacles live on the shark. What TWO relationships are shown?
Answer: Predator-prey and commensalism
If parasites weaken seals, what is the full chain reaction for polar bears and fish?
Answer: Seal population decreases, polar bears decrease, and fish may increase
lions eat zebras, ticks live on zebras, and grass grows freely. If ticks increase a lot, explain the full ecosystem effect.
Answer: Zebras decrease → lions decrease → grass increases