Fourth Grade Unit Test Review Part Two Living Things

1. A student wanted to surprise his family by cooking breakfast for them. He took out three foods that would go with scrambled eggs. Here is what the product labels looked like:

Oscar Mayer Bacon Jimmy Dean Sausage Ore Ida Hash Browns

Calories: 165 Calories: 175 Calories: 170

Fat: 15 g Fat: 3 g Fat: 7 g

Sodium: 6 mg Sodium: 8 mg Sodium: 7 mg

The student wanted to make the healthiest breakfast possible by choosing the one with the least amount of fat. Which of the products did she most likely choose?

A. eggs B. hash browns C. sausage D. bacon

2. Which of the human body systems protects the soft organs in the body?

A. muscular B. digestive C. nervous D. skeletal

3. Tendrils on a vine attached to a tree that help the vine reach sunlight is an example of ______.

A. roots B. adaptations C. stems D. flowers 4. Which of the five kingdoms is represented in the picture?

A. fungi B. protist C. moneran D. plant

5. A behavior that an animal begins life with, such as hiding from danger, is ______.

A. learned B. instinctive C. taught D. fear

6. Observe the life cycles of a mealworm and a butterfly.

In which stage do the animals look similar?

A. pupa B. adult C. egg D. larva 7. Which of the following is NOT an example of a learned behavior?

A. a chick hatching from an egg B. finding a warm rock in winter C. a dog playing fetch D. a polar bear catching a fish

8. How do the thorns on a rose bush act as a plant adaptation? thorns

A. to make it look pretty B. so it won’t get eaten C. to grab insects when they fly by D. to help the plant reach the sunlight

9. Which of the following is a waste product of photosynthesis?

A. oxygen B. sunlight C. carbon dioxide D. water 10.What does this diagram represent?

A. metamorphosis B. adaptation C. fungi D. seed life cycle

Bonus Question:

What adaptation helps the monkey to escape from predator attacks?

A. thumbs to grasp fruit B. fur to stay warm C. tail to swing from trees D. sharp teeth

11.A milk snake that looks like a deadly coral snake is an example of ______.

A. camouflage B. mimicry C. hibernation D. migration 12.The digestive system breaks down the foods we eat into nutrients the body can use. Which of the following are the major organs of the digestive system?

A. stomach and heart B. lungs and intestines C. muscles and stomach D. stomach and intestines

13.A science class was observing a group of animals brought in from the science lab. Here are just some of the sample animals that were brought:

These animals have no backbone. What is an animal without a backbone called?

A. invertebrate B. vertebrate C. insect D. worm

14.What is the reproductive part of the plant called that also makes seeds?

A. root B. stem C. leave D. flower

15.Which list shows all the basic needs of animals?

A. food, water, air, electricity, shelter B. food, light, air, shelter, pool, slide C. food, light, air, water, space to live, dispose of waste D. light, air, water, food, dispose of waste 16.An animal, such as a lion, is a meat eating animal that catches and kills other animals. This animal is called ______.

A. predator B. prey C. mean D. furry

17.Everything that surrounds and affects an animal, including living and nonliving things is its ______.

A. house B. environment C. habitat D. predators

18.This is the heart, which is the major organ of what body system?

A. digestive B. nervous C. respiratory D. circulatory

19.Birds flying south for the winter is called ______. A. migration B. hibernation C. learned behavior D. mimicry

20.A dog sitting when its owner tells him to is a(n) ______.

A. instinctive behavior B. inherited trait C. learned behavior D. camouflage

Bonus Question:

What adaptation would most help a plant growing in a field where cows graze?

A. tendrils B. roots C. colorful leaves D. thorns or spines