Texas Life Science TEKS

A scientist has a rock sample that he says was under water at one time. Which statement is evidence to support his claim?

• The scientist is an expert on rocks.

• The rock has fish skeleton fossils inside it.

• Many people agree with the scientist’s claim.

• Other scientists believe the rock was under water, too.

Tags

NGSS.MS-ESS2-3

Which organ in the illustration is the stomach?

• W

• X

• Y

• Z

Which organ in the illustration is the liver?

• W

• X

• Y

• Z

This is the organ that filters a person's blood and when it does not work properly can give a persons skin and eyes a yellowish color.

• Heart

• Liver

• Lungs

• Pancreas

You scrape your knee at recess, and put a bandage on your skin. Which of the functions below that are normally provided by skin is now being provided by the bandage?

• preventing dehydration

• regulating body temperature

• keeping bacteria out of the body

• sensing when your skin has been touched

Which structure in a plant has a function similar to the function of a skeleton in a mammal?

• exoskeleton

• flower

• leaf

• stem

During dry seasons, alligators make deep holes in the wetlands. Why has the alligator adapted to make a hole its home during these seasons?

• to protect eggs in its nest

• to provide a habitat to other animals

• to cool off during the hot temperatures

• to stay warm during the cool temperatures

Tags

NGSS.MS-LS1-5

Which plant structure is MOST similar in function to a lizard's eggs?

• flowers

• pollen

• seeds

• stem

A student predicts that if marigold flowers are planted around a group of tomato plants, then fewer insects will eat the tomatoes. Which observation would support the prediction?

• a count of 20 insects before marigolds are planted, and 20 insects after marigolds are planted

• a count of 20 insects before marigolds are planted, and 12 insects after marigolds are planted

• a count of 10 tomatoes before marigolds are planted, and 5 tomatoes after marigolds are planted

• a count of 10 tomatoes before marigolds are planted, and 15 tomatoes after marigolds are planted

Tags

NGSS.MS-LS2-4

Amphibians are able to exchange oxygen and carbon dioxide through their smooth, moist skin. Which of these organs has the same purpose?

• heart

• liver

• lungs

• stomach