Mid Summative 7 Review

POLLEN

Pollen The male sex cell produced in the anther

STIGMA

Stigma Tip of the female reproductive organ

STAMEN

Stamen The male reproductive organ made of anther and filament

POLLINATION

Pollination Pollen transferred from anther in one plant to stigma in another plant

FERTILIZATION

Fertilization When sperm(pollen) joins an egg(ovule)

Why is pollination necessary?

Why is pollination necessary? Pollination is necessary for plant reproduction because it is the transfer of the male sex cell in one plant to another

What is a pollinator and how might one be attracted to a plant?

What is a pollinator and how might one be attracted to a plant? Pollinator is anything that transfers pollen from plant to plant (insect) and they are attracted by colors, smell, nectar, size

Why is it preferable for a plant to cross-pollinate rather than self-pollinate?

Cross pollination creates VARIETY in plants. Why is it preferable for a plant to cross-pollinate rather than self-pollinate? Cross pollination creates VARIETY in plants.

What are petals and at purpose do they serve in a plant?

What are petals and at purpose do they serve in a plant? The colorful part of a plant to attract a pollinator

What is the function of anthers found in a flower?

What is the function of anthers found in a flower? Anthers produce pollen in a plant.

Explain the next steps in flower reproduction after pollen has been transferred from anther to stigma.

The pollen grows a pollen tube to the ovary Explain the next steps in flower reproduction after pollen has been transferred from anther to stigma. The pollen grows a pollen tube to the ovary The pollen travels down the pollen tube The pollen finds and fertilizes an ovule The fertilized ovule becomes a seed.

What is the female part of the flower called and what parts make up this organ?

Carpel or Pistil Stigma, Style, Ovary What is the female part of the flower called and what parts make up this organ? Carpel or Pistil Stigma, Style, Ovary

What is the only function of a flower?

What is the only function of a flower? REPRODUCTION

Why is it important for seeds to be spread away from a parent plant?

Why is it important for seeds to be spread away from a parent plant? The baby plant doesn’t have to compete with the larger plant for resources.

Describe the process of POLLINATION.

Describe the process of POLLINATION. Pollen produced in one flower is transferred from one flower to another flowers stigma usually by wind or insects

How do plants reproduce sexually?

How do plants reproduce sexually? Pollen lands on the stigma Pollen grows a pollen tube from stigma to ovary Pollen (sperm)travels down the pollen tube Pollen fertilizes an ovule(egg) in the ovary A seed is produced as a result