EOG Science

Which of the following limiting factors will most likely prevent further population growth within an ecosystem?

• excess water supply

• food supply to the area

• transportation availability

• recycling of human goods

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The shaded areas of this diagram represent where fossils of a land- dwelling animal were found on the continents of South America and Africa. What does this evidence suggest?

• The animals swam from one continent to the other

• The two continents were once connected by a land bridge.

• The animals developed on the two continents at the same time.

• The two continents were once joined as part of a larger continent.

Tags

NGSS.MS-ESS2-3

Differences in the homologous structures shown below, supports the hypothesis that these organisms:

• are member of the same species

• live in the same environment

• have similar ancestors but adapted to live in different environments

• all contain the same genetic information.

Tags

NGSS.MS-LS4-2

You notice as you run up a flight of stairs to your next class that your heart is pounding and your breathing is deeper and more rapid than when you started. After a short time setting in class, your respiration rate and heart rate seem to return to normal. You know that during exercise, your heart rate, respiration, blood pressure, and ability to hold your breath (maximum breath-holding time) change. You gather the data shown in the table below. As you exercise, why does respiration rate increase?

• Your systolic blood pressure is increasing

• Your diastolic blood pressure is decreasing.

• You are sweating and need more water vapor.

• More oxygen is needed to utilize the body's stored energy.

Which of these elements is most likely to have chemical properties similar to those of calcium (Ca)?

• Magnesium (Mg)

• Neon (Ne)

• Potassium (K)

• Zirconium (Zr)

What is the relationship between water temperature and dissolved oxygen?

• as water temperature increase, dissolved oxygen increase

• water temperature has no effect on the amount of dissolves oxygen

• dissolved oxygen decreases as water temperature decrease

• cold water contain more dissolved oxygen than warm water

Which term best describes an outbreak of flu that affects many people in a local area?

• vector

• pathogen

• epidemic

• pandemic

Which is best shown that two species evolved from a common ancestor?

• They are found in the same part of the world

• They eat the same types of food

• Their embryos develop in a similar way

• They have the same predators and parasites

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which term best describe the area of water that drains into a river?

• watershed

• aquifer

• estuary

• ocean

Tags

NGSS.MS-ESS2-4

Measles is a disease caused by a virus. Which is the most effective way to keep measles from spreading?

• giving antiviral medicine to people who have measles

• having healthy people wash hands often

• giving antibiotics to people with measles

• vaccinating healthy people against measles