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Seed Dispersal
Germination
Adaptations
Cells
Pollination
100

Name four types of Seed Dispersals

Wind dispersal Seeds are carried long distances by the wind due to their physical traits, such as being lightweight, feathered, or winged. 

Water dispersal Seeds float away from the parent plant and can travel long distances. For example, mangrove seeds can root in the soil at low tide, or be carried away by the tide to grow. 

Explosive dispersal Seeds are ejected aggressively from the fruit, causing them to fall far away from the parent plant. This is common in plants with pods, such as those in the Pea Family. 

Animal dispersal Seeds with spine-like structures get stuck on the fur of animals and are spread to different places. 

Seed dispersal increases the chances that some seeds will find a suitable place to grow, and can help reduce competition between parent and offspring. 

100

What are the three essential elements needed for seed germination? Soil is not part of the answer.

All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also. Some germinate better in full light while others require darkness to germinate. When a seed is exposed to the proper conditions, water and oxygen are taken in through the seed coat.

100

Why might some plants have thorns?

To stay safe from animals that want to eat the plant

100

____ uses the energy of sunlight to produce glucose during photosynthesis

chloroplast

100

What part of the plant absorbs sunlight and carbon dioxide to make food for the plant?

Leaves

200

What is seed dispersal?

Seed dispersal is the process by which plants spread their seeds away from the parent plant to increase the chances of successful germination and growth in new locations.

200

What is the tiny plant inside a seed called?

The embryo

200

An adaptation that helps a cactus live in the desert is its

Thin, spiny needles

200

____ control center of the cell; contains DNA

Nucleolus

200

Which part of the plant supports the leaves and carries water, minerals, and food throughout the plant?

Plant Stem

300

Give an example of a plant that uses wind dispersal.

Dandelion, milkweed, maple tree.

300

What part of the seed provides food for the baby plant?

The cotyledon

300

Desert plants have a coat of wax on their leaves to

keep water from escaping

300

Surrounds the internal cell parts; controls the passage of materials in and out

Cell wall

300

What part of the plant starts the life cycle?

Seed

400

Dandelion, milkweed, maple tree.

Coconut palm, mangrove.

400

What is the outer covering of a seed called?

The Seed Coat

400

Why does a cactus have shallow roots while other desert plants have deeper roots?

Shallow roots help to absorb water quickly before it evaporates.

400

vesicle that provides storage of water and other materials; if full, provide support

vacuole

400

What is the female part of the flower called?

Stigma

500

How do animals help with seed dispersal? 2 Methods

Animals can eat fruits containing seeds, then deposit the seeds in new locations through their droppings, or seeds can get stuck to their fur and be carried away.

500

What happens to a seed when it first starts to germinate? This is a visual answer.

The seed absorbs water and swells.

500

Carnivorous plants eat?

Bugs

500

Produces energy in the cells

Ribosome

500

What is the male part of a flower called?

Stigma