Male frogs croak loudly and inflate their vocal sacs to attract mates. How do these behaviors provide male frogs with advantages in surviving or reproducing?
Science 3rd Quiz A3

Quiz
•
English
•
3rd Grade
•
Hard
WILBERT PHARR
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
These behaviors scare away predators.
These behaviors attract female frogs.
These behaviors allow male frogs to find more food.
These behaviors help male frogs defend their territory.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Mangrove trees grow along coastlines and need fresh water to thrive. Saltwater intrusion is damaging mangrove ecosystems. People are building canals to allow more fresh water to reach the mangroves. How will this help mangroves grow?
Canals will bring nutrients to the mangrove roots.
Canals will allow predators to move away from the mangroves.
Canals will increase salt levels, helping mangroves grow faster.
Canals will stop sunlight from reaching the mangroves.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Pollinators like hummingbirds help many plants reproduce by carrying pollen from flower to flower. Without pollinators, many plants cannot produce fruit or seeds. Which situation will most likely cause a decrease in fruit production?
More flowering plants grow in the area.
The pollinator population in the area decreases.
The plants receive more water during the rainy season.
The plants are moved to a different location with more sunlight.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
People need calcium for strong teeth and bones. Calcium is found in dairy products, leafy greens, and fortified foods. A lack of calcium in a person’s diet can lead to weak bones and dental problems. Which situation will most likely lead to weaker bones?
The person drinks milk every morning.
The person avoids all foods with calcium.
The person eats cheese with every meal.
The person consumes yogurt as part of a daily snack.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Field mice live in grassy meadows where they find food, build nests, and hide from predators. A new highway is being built through the meadows where the mice live. How will this most likely affect the mice in the area?
Fewer mice will survive because they will lose their grassland habitat.
Fewer mice will survive because predators will move into the area.
More mice will survive because they will have better places to hide from predators.
More mice will survive because they will find new food sources along the highway.
6.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Lionfish, native to the Indo-Pacific, were introduced to the Atlantic Ocean. Lionfish eat large quantities of small fish and shrimp, disrupting local ecosystems. What effects will most likely result from the introduction of lionfish into the new ecosystem? Select the two correct answers.
Native fish populations will decline because of increased competition for food.
The ecosystem will balance itself as lionfish increase biodiversity.
Native species will decrease as lionfish prey on them.
Large predators will leave the ecosystem because lionfish cannot be eaten.
Shrimp populations will increase as lionfish eat their predators.
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