Unit 7, Part 2 and Unit 8 Review 24-25

Front

What is the gametophyte stage?

Back

The gametophyte stage is the haploid stage in the life cycle of plants, where it produces gametes (sperm and eggs).

Front

What is the function of the waxy cuticle in plants?

Back

The waxy cuticle is the outermost layer that is not made of cells; it helps regulate water loss and protects the plant from environmental factors.

Front

What type of cells make up the xylem in plants?

Back

Xylem cells are specialized for transporting water and nutrients from the roots to the rest of the plant.

Front

To which kingdom do marine sponges belong?

Back

Marine sponges belong to the kingdom Animalia.

Front

What is the role of epidermal cells in plants?

Back

Epidermal cells form the outermost layer of cells, providing protection from outside elements.

Front

Define haploid.

Back

Haploid refers to a cell or organism that has a single set of unpaired chromosomes, typically represented as 'n'.

Front

What is the difference between haploid and diploid?

Back

Haploid cells have one set of chromosomes (n), while diploid cells have two sets (2n).

Front

What are phloem cells responsible for?

Back

Phloem cells are responsible for transporting sugars and nutrients produced by photosynthesis throughout the plant.

Front

What is the significance of the palisade cells in leaves?

Back

Palisade cells are located beneath the upper epidermis and are packed with chloroplasts, making them the primary site for photosynthesis.

Front

What is the function of guard cells?

Back

Guard cells surround stomata and regulate their opening and closing, controlling gas exchange and water loss in plants.