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by BlastRoom
Sort ecosystem factors and explain how living and nonliving parts affect each other.
#us_grade_7_science
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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Students record duckweed, dragonfly larvae, dissolved oxygen, and fallen leaves in a pond. Which recorded factor is abiotic?
A desert survey lists cactus roots, kangaroo rats, sand temperature, and dead shrubs. Which entry is an abiotic factor?
In a forest soil sample, students find mushroom mycelium, earthworms, a decaying log, and soil pH. Which factor is abiotic?
A tide pool record includes barnacles, sea lettuce algae, crab shells, and salinity. Which recorded factor is abiotic?
A prairie team measures grasshoppers, prairie grass, air temperature, and coyotes. Which measurement describes an abiotic factor?
An aquarium observation lists guppies, nitrifying bacteria, light from the tank lamp, and aquarium plants. Which item is abiotic?
A soil ecosystem chart includes plant roots, nematodes, moisture level, and dead leaves. Which factor belongs in the abiotic column?
A stream becomes warmer during a dry summer, so less oxygen stays dissolved. What effect on trout is most likely?
A meadow has three weeks with almost no rain, and soil moisture drops. What change is most likely for wildflowers?
After fertilizer runoff adds mineral nutrients to a pond, the water stays warm and sunny. What living response is most likely first?
A tree falls and opens a gap, letting more sunlight reach the forest floor. What is a likely effect on seedlings?
Road salt washes into a pond and raises the water's salt concentration. What effect on frog eggs is most likely?
A cold spring keeps pond water at 8°C for longer than usual. How might mosquito larvae respond?
After acid rain, soil pH near some trees drops from 6.5 to 4.5. What plant effect is most likely?
Beavers build a dam, causing stream water to slow, spread, and form a pond. What relationship does this show?
Grass grows taller on the side of a field that gets more sunlight and water. What relationship explains this pattern?
Earthworms tunnel through garden soil, mixing it and letting more air and water move through. What relationship is shown?
Coral polyps build a hard reef that slows waves and creates crevices where fish hide. What relationship is best supported?
Mayfly nymphs are common in shaded stream sections where water is cooler and dissolved oxygen is higher. What relationship does this show?
Fungi and bacteria break dead leaves into minerals that plant roots can absorb from soil. What relationship is shown?
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Energy Loss Up the Food Pyramid
20 questions
