Bio 1106 Plants Exam 1 Study Notes

What is the cycle of haploid and diploid stages in plants called?

Alternation of Generations.

Fill in the Blank: __________ produces spores in the alternation of generations.

Sporophytes

Fill in the Blank: __________ produces gametes in the alternation of generations.

Gametophytes

What type of plants are characterized by having 'naked seeds'?

Gymnosperms.

What adaptations allow plants to reproduce without the need for water?

Key innovations such as protective structures like seeds and fruits.

What are the three embryonic tissue types?

Protoderm, Ground Meristem, Procambium.

What is the role of meristems in plants?

Meristems are growth zones where new cells are produced.

What do xylem and phloem transport in plants?

Xylem transports water and minerals; Phloem distributes sugars and hormones.

Fill in the Blank: The __________ Strip controls water and nutrient uptake.

Casparian

What relationship do legumes have with Rhizobium?

Symbiotic relationship for nitrogen fixation.

What is the role of auxins in plants?

Auxins promote cell growth by elongation.

Fill in the Blank: Photomorphogenesis is a growth response to __________.

light quality and quantity.

What is the difference between self-pollination and cross-pollination?

Self-pollination occurs within the same flower; cross-pollination occurs between different flowers.

What do secondary metabolites in plants do?

They function as natural chemicals for plant defense and interaction with the environment.

Fill in the Blank: __________ occurs when seeds and fruits develop in plants.

Seed and Fruit Development.