Name __________________________
Date______________
Fusion Book Unit 3 Lesson 1-What Are Some Plant Structures?
Read pages 104-111 carefully and answer the following questions
1. Vascular plants have a system of ___________ that carry water and
nutrients through the plant.
2. Not all vascular plants have
a. Roots
b. Stems
c. Flowers
3. What three things are carried by stems to different parts of plants?
a. Sugar, minerals, and water
b. Water, soil, and sunlight
c. Minerals, sunlight, sugar
4. What are the two main types of roots?
5. Veins are small tubes that carry __________ made by the leaves to the
plant’s ______________, _________________, and
________________.
6. Define photosynthesis in your own words.
7. Chlorophyll is important because it helps plants make ___________.
a. Leaves
b. Carbon Dioxide
c. Sugars
Unit 3 Lesson 1 Answer Key
1. Tubes
2. C
3. A
4. Fibrous roots and taproots
5. Food, flowers, stems, roots
6. Answers will vary
7. C
Name _________________________
Date___________
Fusion Book Unit 3 Lesson 2-How Do Plants Reproduce?
Read pages 118-127 carefully and answer the following questions
1. What do we call the series of stages that a living thing goes through as it
develops?
a. Food chain
b. Life cycle
c. Photosynthesis
2. Why is it important for people to understand plant life cycles?
3. Correctly number the steps in the life cycle of a radish
___ When a seed sprouts during a process known as germination, the embryo
in the seed begins to grow
___ When a plant grows to its full size, it reaches maturity. Mature plants
make seeds that can grow into new plants.
___ A seed contains the embryo of a plant
___ As the plant continues to grow, it gets larger. It also gets more roots
4. Most plants produce seeds in structures called ________________.
5. The outer parts of a flower are called
a. Pistils
b. Cones
c. Petals
6. How do squirrels help new oak trees grow?
7. A ______ is a cell that can grow into a new plant when the conditions are
right.
Unit 3 Lesson 2 Answer Key
1. B
2. Most of the food we eat comes from plants
3. 2, 4, 1, 3
4. Flowers
5. C
6. Answers will vary
7. Spore
Name _________________________
Date___________
Fusion Book Unit 3 Lesson 5How Are Living Things Adapted to Their Environment?
Read pages 151-161 carefully and answer the following questions.
1. _____________ and ____________ depend on their environment to meet
their ____________.
2. How are Arctic environments different from tropical rainforests?
3. Why can blue jays live in trees, but ostriches cannot?
4. A _____________ adaptation is an adaptation to a body part. A
____________ adaptation is something an organism does to help it survive.
5. Which of the following is an example of an adaptation that helps a living
thing survive in a water environment?
a. Water plants have flexible stems
b. A sloth has long claws.
c. Fish have smooth bodies and strong tails
d. Both a and c
6. How have jackrabbits adapted to their environment?
7. Arctic animals have layers of fat and fur to keep in
a. Food
b. Water
c. Body heat
Unit 3 Lesson 5 Answer Key
1. Animals, plants, needs
2. Answers will vary. Arctic is cold, rainforests are hot
3. Answers will vary. Blue jays are small and their feet can grip tree
branches
4. Physical, behavioral
5. D
6. Answers will vary. Big ears
7. C