Feel free to use or edit a copy
includes Teacher and Student dashboards
Measures 1 skill from
Measures 1 skill from
Track each student's skills and progress in your Mastery dashboards
With a free account, teachers can
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
10 questions
Show answers
- Q1The anglerfish is a saltwater fish that lives in the deepest parts of the ocean. There, food and light are scarce. The anglerfish has a small projection, or lure, coming out of its head. When the angler fish moves its lure, the lure baits other fish. When a fish comes in for the bait, the anglerfish eats it. Which best explains why anglerfish have lures?The lure helps them compete for food.The lure helps them compete for foodThe lure helps them avoid predators.The lure helps them find healthy food.30sS7L4c
- Q2The fruit and leaves of a certain tree make the soil around it poisonous to other plants. Seedlings of the tree aren't bothered by the poison. What does this show?Some trees are dangerous and must be removedTo survive, organisms will compete for space.Some trees are dangerous and must be removedA population cannot affect its environment.30s
- Q3Which of the following is biotic factor in the environment?plant lifewatertemperaturesoil type30s
- Q4What effect does the introduction of exotic species have on native species?Exotic species always cause the native species to become extinct.Exotic species have no effect on native speciesExotic species create increased competition for native species.Exotic species always help increase the populations of native species30s
- Q5A bison's primary food source is grass. If the amount of grass in a region where bison live were reduced, which of the following would happen?There would be little or no change in the number of bisonThe number of bison would decreaseThe number of bison would increase at first and then decrease.The number of bison would increase30s
- Q6What would happen if a large number of rain forest plants were cut down?There would be more animals.The animals would have less light.The animals would have less oxygen.There would be more shelter.30s
- Q7Lions hunt and eat antelope that graze in the African grasslands. If Africa has no rain for a long period of time, and plants die, what will happen to the population of lions?It will remain unchanged.It will adapt to eating plantsIt will increaseIt will decrease30s
- Q8In an ecosystem where some birds depend on insects to survive, which of the following is most likely to happen if someone sprays a pesticide to control the insect population?The bird population will increase.The bird population will decrease.The bird population will increase, then decrease.The bird population will decrease, then increase.30s
- Q9Which of the following could limit the growth of a population of squirrels in a local park?Increase in the number of trees preferred by the squirrels for nestsIncrease in the number of trees preferred by the squirrels for nestsHeavy rain causing an increase in acorns that squirrels eatAn outbreak of a disease that infects squirrels in the park30s
- Q10Four scientists observed a strip of land that had been cleared of all trees and bushes to make space for a power line. Each scientist had a different argument about the impact clearing this area of land might have on the bird population living in the ecosystem. Which scientist’s argument demonstrates how the ecosystem will most likely be impacted?Scientist 1: The natural enemies of birds will be eliminated causing less food and shelter to be available to the birdsScientist 2: Weather conditions may change causing less food and shelter to be available to the birds.Scientist 3: The population of trees in the environment will decrease causing less food and shelter to be available to the birdsScientist 4: The rate of erosion will decrease causing less food and shelter to be available to the birds.30s