What happens to a rock when it weathers?

Which process describes wind blasting sand at rock and carving out arches?

Which process describes water getting into cracks, freezing, and breaking the rocks or pavement apart?

This is an example of _____________________________.

Abrasion causes

The map shows the various ecoregions of Texas. Which ecoregion is most vulnerable to wind erosion from hurricanes originating in the Gulf of Mexico?

The Gulf Prairies and Marshes ecoregion experience significant soil erosion. One would expect the climate in this region to be –

The tall rock formations with smooth surfaces in Big Bend National Park were formed over time by -

The Gulf Prairies and Marshes ecoregion experience significant soil erosion. One would expect the climate in this region to be –

The Brazos River is the longest river in Texas, emptying into the Gulf of Mexico. What type of land formation would you expect to find where the river deposits sediments as it reaches the Gulf?

In the Edwards Plateau, the limestone rocks are highly vulnerable to chemical and physical weathering. Which of the following land formations would be expected in this area?

High rains cause the flow in a river to increase. The increase in the river’s flow will most likely have which of the following effects on the environment?

Sand bars are large deposits of sand that appear close to the shoreline of a beach. Which of the following processes is responsible for creating sand bars?

The Texas High Plains region does not receive much rain. It is reasonable to predict that this region, compared to other ecoregions, would have –

The illustration provided shows exposed layers of sedimentary rock in the High Plains region of Texas. Which of the following best explains the uneven nature of the exposed rock layers?

The Rolling Plains region of Texas has a number of deep canyons. One would expect this region to have -

The Blackland Prairie ecoregion of Texas has many exposed boulders that are smooth and rounded. What feature of this area caused the boulders to take on these characteristics?

Rivers carry and deposit sediments all along their course. Where will the sediments made of the largest and heaviest particles be deposited?

An avalanche is an example of which process? (the process by which wind, water, ice, or gravity transports soil and sediment from one location to another)

What is the process that picks up and moves weathered rocks?

Look closely at the map of the watershed below. If water enters the watershed at the top of the mountain where the arrow is pointing, at which point will it stop draining?

What definition BEST describes a watershed?

An underground layer of rock or sediment that holds water?

A student sets up the investigation shown below. The movement of colored water through the gravel best models —

A student’s model of an area near a city depicts many activities that affect the quality of the water in the area. How does the agricultural activity most likely affect the surface water of the area?

What is the genus of the organism Geophagus braziliensis?

The number of different species of plants and animals in an area:

Biome found mostly near the equator

This animal can store large amounts of water in its body. Which biome is it best adapted to?

Which biome has the greatest variety of plants and animals?

Which biome has 4 seasons of equal length?

A student walks the schoolyard and observes that there are many living things such as different plants and animals. She notices that moss grows in moist shady areas but did not see any in the open yard where its sunny. What is the best explanation for her observation?

Even a small area, such as a schoolyard, contains many microhabitats. Each microhabitat would probably contain a wide variety of organisms. What would the organisms in a single microhabitat have in common?

High biodiversity is a sign of a healthy ecosystem.

How do biodiversity and stability work together?

The tundra is a vast plain with frigid temperatures and plenty of snow. Which of the following adaptations does not help the polar bear survive in the tundra.

A population of birds walks along the shores of a swampy area eating small crabs. Climatic changes cause the water level in the area to increase. Which genetic variation in the bird population will be at an advantage leading to greater survival in the area?

Over time, a certain species of hummingbird has developed traits including a small body, brightly colored feathers, a long, narrow beak, and the ability to drop its body temperature while it sleeps. Which of these characteristics is most likely a trait that developed in response to available food sources?

Galapagos finches are birds that live on islands off the coast of South America. The finches on the various islands are very different from each other. As a result of the different food resources on the islands, which of the following structures of the Galapagos finches experienced the greatest change through natural selection?

Photosynthesis is a process converting _______ energy to ______.

The oxygen given off by plants comes from _______ the plant takes up and processes.

Plants use ____________ given off by humans and other animals to assist in making glucose.

Radiant energy is captured by

Green plants produce their own food during photosynthesis. Which of these statements about photosynthesis is true?

How do organisms get the energy they need?

A severe thunderstorm moved through Dallas producing wind speeds in excess of 60 mph. It stripped all the leaves from the seedlings in its path. These seedlings eventually died. What probably caused the deaths of these young trees?

Photosynthesis is the process in which cells use oxygen to break down food and release stored energy.

Carbon dioxide (CO₂) is a waste product in the process of photosynthesis.

Hint: click the picture to make it bigger

According to the diagram, Product 2 is -

Hint: click the picture to make it bigger

Which of these equations does the diagram support?

Hint: click the picture to make it bigger

The glucose produced in the leaf can be described as –

What are the Reactants used by plants to perform photosynthesis?

CHOOSE ALL THAT APPLY

What are the Products created by plants during photosynthesis?

CHOOSE ALL THAT APPLY

What energy transformation happens during photosynthesis?

Which answer best describes the transfer of energy as it moves up the energy pyramid?

About how much energy is LOST when an organism consumes another organism from a different trophic level?

Where do producers get their energy from?

What is another word for producer?

What is another word for consumers?

If the snake has 50 kJ of energy, how much does the grass have?

If the grass has 4360 kJ of energy, how much energy does the owl get?

If the rabbit has 240 kJ of energy, how much does the snake get?

The entire mass of air that surrounds Earth, and is made of 78% nitrogen, 21% oxygen, and traces of other gases is called...

An area that deflects and traps harmful particles, and results from the interaction between Earth's magnetic field and solar winds is called...

A gas in Earth's atmosphere that absorbs MOST of the damaging high-energy ultraviolet radiation from the Sun is the...

Magnetic lines of force from Earth's polar north and south; they act like a giant magnet- known as...

What are two things from the Sun on which all living things depend?

Mars cannot have liquid water, because it's too cold and it will freeze, and Venus can't have liquid water because it's too hot and it would boil away or evaporate.