Unit 1 - Growth and Reproduction

Which of the following sentences describes the ways plants spread their seeds? Choose the two that apply.

• Bees, attracted by brightly colored flowers, pick up and move seeds to new locations.

• Animals, attracted by scent, eat and then disperse seeds in new locations through their droppings.

• Seeds are carried away from the parent plant by wind or water.

• Seeds are dispersed during pollination.

Grafting is when part of a plant’s stem is cut and then attached to another plant. Apple farmers often use grafting to ensure that new plants will have the desired characteristics of the original apple tree. What kind of reproduction is this?

• stem sprouting

• fertilization

• sexual

• asexual

Tags

NGSS.MS-LS3-2

Sophia loves the fall because the days begin to cool and the leaves change to beautiful shades of red, yellow, and orange, but she wonders why the leaves change.

The cause of the leaves changing is____________, and the response is dormancy.

• gravity

• photoperiodism

• tropism

• chemotropism

Dakota recently heard elk in a valley bugling. He knows that animals have different strategies that help them to reproduce successfully and that the bugling is a mating call to attract females

Making this type of sound is an example of what type of reproductive strategy?

• Parental care

• Cooperative behavior

• Communication

• Migratory behavior

Tags

NGSS.MS-LS1-4

Ian’s father keeps bees, and Ian spends time observing their behavior. He is especially interested in the bee communication and has even seen the waggle dance. The waggle dance communicates the location of food to other bees in the hive. All honeybees know the waggle dance from birth.

The waggle dance is an example of a(n) _____behavior, because bees can perform it correctly the first time.

• Learned

• Predatory

• Instinctive

• Courtship

Connor found a bird’s nest holding two tiny eggs, and planned to watch for the eggs to hatch. He understands that mammals have a different way of reproducing. Which of the following describes one difference between amniotic eggs and placental mammals.

• In amniotic eggs, the eggs provide nutrients, while in placental mammals, the embryo develops inside the mother’s body.

• Amniotic eggs develop inside a mother’s body, but placental mammals develop outside of a mother’s body.

• Both amniotic eggs and placental mammals have eggs with leathery shells.

• Amniotic eggs are covered with membranes and placental mammals are covered with a leathery shell.

What type of plant life cycle is illustrated in this image?

• gymnosperm

• angiosperm

• non vascular plant

• fern

What is NOT a way that flowers get pollinated?

• wind

• animals

• water

• insects

When a starfish grows a new body off a broken arm, what kind of reproduction is this?

• Sexual
• Differentiation
• Asexual 
• Specialization

Tags

NGSS.MS-LS3-2

Where does an off spring get its traits in asexual reproduction?

• From both parents
• From only one parent
• From neither parent
• There are no traits handed down

Tags

NGSS.MS-LS3-2