Download 5th and 6th grade Ch 4 test Notes:

5th and 6th grade Ch 5 test Notes:
Part A MC
I) Plant Parts
A) Roots
1) Xylem moves water & minerals from roots to the rest of the plant
2) Taproots store extra food
B) Stems
1) Herbaceous – green and easy to bend or break
2) Woody – Rigid & Strong
C) Leaves
1) Stomata – holes in the epidermis that allows water and gasses pass
2) Guard Cells – open and close Stomata
3) Transpiration – water loss through Stomata
4) Cuticle – Waxy layer – slows water loss
D) Photosynthesis
1) Process in which plants make glucose and releases oxygen
2) Takes place in the middle of the leaf in tall rod like cells.
E) Respiration – breaks down glucose to release energy
II) Plant Growth
A) Angiosperms – produce flowers and fruit
B) Gymnosperms – Seeds in female cones
C) Mitochondria – Powerhouse of the cell
D) Chemicals – control plant behaviors
E) Seed – Multicellular Embryo, Spore is single celled Embryo
Part B Short Answer
1. Describe two functions of stems in flowing plants. (Support, Move substances)
2 What is tropism? Describe three different tropisms. (Gravitropism, Phototropism,
thigmotropism, hydrotropism)
3. Explain how the environment influences the time at which a seed germinates. How
does this help the plant survive? (Need the right temperature, moisture, and Oxygen)
4. Describe the Carbon dioxide / Oxygen cycles and explain how it benefits both plants
and animals. Use: Photosynthesis and Cellular Respiration in your answer.
In photosynthesis plants use energy from the sun and Carbon Dioxide and Water to form
Glucose and Oxygen, and then in Cellular Respiration the plant uses oxygen to break
down glucose and release energy.
Animals use Oxygen and release Carbon Dioxide for plants, and plants use Carbon
Dioxide and releases Oxygen for Animals. Animals also eat plants.