Science 3rd Quiz A2

Male peacocks display their brightly colored tail feathers in a fan-like shape while making loud calls. How do these behaviors provide male peacocks with advantages in surviving or reproducing?

• These behaviors help peacocks hide from predators.

• These behaviors attract female peacocks for mating.

• These behaviors allow peacocks to find food more easily.

• These behaviors intimidate smaller animals in the area.

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Some desert plants struggle to grow because the soil lacks nutrients. Farmers are adding compost to the soil to help the plants. How will adding compost help the desert plants?

• Compost will provide nutrients to help the plants grow.

• Compost will dry out the soil, making it harder for plants to grow.

• Compost will make the soil too salty for plants.

• Compost will attract animals that harm the plants.

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Butterflies help flowers reproduce by carrying pollen from one flower to another as they feed on nectar. Without butterflies, some flowers cannot produce seeds. Which situation will most likely lead to fewer seeds being produced?

• More butterflies are attracted to the flowers.

• The flowers receive more rain than usual.

• The butterfly population in the area decreases.

• The flowers are exposed to strong winds.

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Humans need iron to help their bodies produce healthy red blood cells, which carry oxygen throughout the body. Iron can be found in foods like spinach, red meat, and beans. Which situation will most likely lead to a person having low oxygen levels in their blood?

• The person includes spinach in their diet regularly.

• The person avoids eating foods that contain iron.

• The person eats beans and other iron-rich foods daily.

• The person takes a multivitamin that includes iron.

The lined snake lives in the central United States. A lined snake is shown in the picture.  Some of the lined snake’s needs include: 

• food to eat (mainly worms, but also slugs and insects) 

• a grassy area to move around in and find food 

• a den in a rocky place to spend the winter 

• a place to lie in the sunlight in cool weather

• protection from birds and mammals that eat lined snakes

A road is being built through a grassy area where lined snakes live. In which way will this road most likely affect the snakes in the area? 

• More snakes will die because they will have less grass to live in. 

• More snakes will die because new predators will move into the area. 

• More snakes will survive because they will be able to find more food to eat. 

• More snakes will survive because they will have better places to sun themselves.

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The diagram shows two parent cats and their kitten. Which traits did the kitten most likely inherit from its parents? Select the two correct answers.

• Black fur from its father

• Blue eyes from its mother

• Green eyes from its father

• A mix of black and white fur from both parents

• A completely white coat from its mother

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Frogs are known to be sensitive to changes in their environment. Which situation will most likely lead to a decline in frog populations?

• Decrease in water pollution levels.

• More vegetation growing around their ponds.

• Introduction of new predators in the area.

• Increased rainfall in their habitat.

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Sort the following animal behaviors into three categories:

Groups:

(a) Obtaining Food

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(b) Defense

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(c) Adapting to Environmental Changes

• Penguins huddling for warmth

• Bison grouping together

• Monkeys warning each other

• Birds flying in a V-formation

• Wolves hunting in packs

• Ants carrying food

• Bees collecting nectar

• Beavers building dams

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