Reproduction
What do we call an embryonic plant (a baby plant)?
A seed
What plant organ is responsible for absorbing water?
The Roots
Which of the two vascular tissues is made up of dead cells?
Xylem
Why does a seed contain food storage?
To give the seedling energy to grow and create its own leaves
What is the name of the force that pulls things toward Earth?
Gravity
What is the name of the female portion of a flower?
Pistil
How can you tell if a food is a fruit or vegetable?
Whether it contains seeds or not
In which direction does the phloem transport its cargo?
Up & down the plant
Is the fruit formed before or after the flower?
After
What is the boiling point of water in degrees Celsius?
100 degrees
Name 3 mechanisms of seed dispersal.
consumed by animals, stuck to an animal's coat, wind, ballistic force, water, gravity
What molecule gives the leaves of plants their green colour?
Chlorophyll
Do non-vascular plants like moss have a xylem and phloem?
No
What is germination?
What cell organelle contains the DNA?
Nucleus
What is the function of the sepals of flowers?
Protect the flower when it is a bud or visual aid to attract pollinators
What is the function of the stomata?
Control gas exchange and transpiration int he leaves
What process does the xylem make use of to draw water up to the leaves without expending energy?
Transpiration
Why do some seeds stay dormant for a long time before germinating?
To wait for the right environmental conditions for growth
What are the three subatomic particles?
neutrons, protons & electrons
Name an example of a multiple fruit (a single fruit formed from many pistils of separate flowers).
Pineapple, Fig, Mulberry, Breadfruit, Jackfruit.
What is the outside layer of a fruit called?
Exocarp
Phloem cells are separated by a thin membrane that easily lets sugars through. What is this membrane called?
Sieve plate
What part of the seed grows into plant's roots?
The radicle
Why can sound not travel through space?
Because space is a vacuum and has no medium for sound waves to travel through.