Lecture 27: Soil and Plant Nutrition & Angiosperm Reproduction

These flashcards cover key concepts and facts related to soil and plant nutrition, as well as angiosperm reproduction and biotechnology.

What chapters should be reviewed for Week 10 reading?

Chapter 37: Soil and plant nutrition, Chapter 38: Angiosperm reproduction and biotechnology.

What is the due date for the Week 10 homework assignment?

Sunday, October 26th, 11:59 pm.

What is the weight of the Unit 3 test in the overall grading?

15%.

What type of plants are considered the most important in terrestrial ecosystems?

Angiosperms.

What agricultural significance do angiosperms have?

They are important for food, medicine, textiles, etc.

What are the two main types of plant reproduction?

Sexual and asexual reproduction.

What is the dominant multicellular stage in angiosperms?

Sporophyte.

What is double fertilization in angiosperms?

A process where one sperm fertilizes the egg and another sperm fuses with the polar nuclei.

What are the four main organs of a flower?

Sepal, Petal, Stamen, and Carpel.

What is the role of petals in flowers?

Petals attract pollinators with their bright colors.

What adaptations are seen in wind-pollinated flowers?

They are usually small, inconspicuous, lack nectar or scent, and release large amounts of pollen.

How do bee-pollinated flowers typically appear?

Brightly colored, primarily yellow or blue, with a sweet fragrance.

What color are moth-pollinated flowers usually?

White or yellow.

Which flowers attract flies?

Flowers that produce odors similar to dung or decaying carrion.

What colors are bat-pollinated flowers?

Pale or white.

What is coevolution in relation to flowers and pollinators?

The mutual influence of flower adaptations and pollinator behaviors over time.