Reproduction in Plants and Animals

A method of reproduction that includes only 1 parent and creates genetically identical offspring.

• Asexual Reproduction

• Sexual Reproduction

Tags

NGSS.MS-LS3-2

A method of reproduction that includes 2 parents and creates genetically different offspring.

• Asexual Reproduction

• Sexual Reproduction

Tags

NGSS.MS-LS3-2

In an animal species, when traveling, the adults form a circle around the young, keeping them in the middle. This behavior makes them reproductively successful because it...

• ensures the safety of the offspring

• increases the chances of finding a mate

Tags

NGSS.MS-LS1-4

In a bird species, male birds often practice elaborate dances and songs. This behavior makes them reproductively successful because it...

• ensures the safety of the offspring

• increases the chances of finding a mate

Tags

NGSS.MS-LS1-4

In a spider species, once the female lays eggs, it will stay on its web, not leaving to get food until the spiders hatch. This behavior makes them reproductively successful because it...

• ensures the safety of the offspring

• increases the chances of finding a mate

Tags

NGSS.MS-LS1-4

You find a seed with the following characteristics. How can you infer that it is dispersed?

- thick waxy coating

- has an air pocket inside

• wind

• water

• self-dispersal

• animals

You find a seed with the following characteristics. How can you infer that it is dispersed?

- surrounded by a sweet fruit

- tiny

• wind

• water

• self-dispersal

• animals

During plant pollenation, pollen is moved from the __________ of one flower, to the _____________ of the other.

• anther; stigma

• stigma; anther

• anther; style

• stigma; ovule

During plant fertilization, the _______________ combines with the _______________ to form a seed.

• pollen; ovule

• pollen; ovary

• pollen; stigma

• anther; ovule

Why do male peacocks have brightly colored feathers?

• The feathers will keep away the peahens (because the peahens are afraid of the brightly colored feathers.

• The feathers are used to help the peacock hunt for food. The male peacocks' feathers attract different types of insects.

• They are competing for mates. The females will be attracted to the male peacocks with the biggest and brightest tail feathers.

• They are competing for food. The males with the most colorful feathers will catch the most of the food such as small mammals, reptiles, small snakes, ants, millipedes, crickets, termites, centipedes, locust and scorpions.

Tags

NGSS.MS-LS1-4