Plant Life Cycles and Structures

What does it mean for an organism to be multicellular?

• It has cells with a nucleus.

• It is made of more than one cell.

• It can make its own food.

• It reproduces using sperm and egg.

What is a characteristic that all plants share?

• Being unicellular

• Having cells without a nucleus

• Reproducing sexually

• Being photosynthetic

Which of these is NOT a characteristic of all plants?

• Being multicellular

• Having cells with a nucleus

• Being photosynthetic

• Reproducing sexually

How is a plant's life cycle different from a human's life cycle?

• Plants only have one generation, while humans have many.

• Humans can go back to being younger, but plants cannot.

• Plants alternate between different life phases, while humans move forward in age.

• Humans reproduce sexually, but plants do not.

What does "alternation of generations" mean for plants?

• They only grow during one season

• They switch between two main life stages

• They can change their color

• They only reproduce once in their life

What does a sporophyte plant make?

• Sperm and eggs

• Flowers and fruits

• Spores or seeds

• Leaves and stems

What does a gametophyte plant make?

• Spores

• Gametes (sperm and egg)

• Seeds

• Roots

When a plant's sperm and egg join together, what do they form?

• A new gametophyte

• A spore

• A sporophyte

• Pollen