Friday!

Most of the damage done by hurricanes is caused by —

• storm surges that flood coastal areas

• lightning from thunderstorms

• trees falling due to high winds

• trees falling due to high wind

During a landslide, many tons of rock slide down a hill in a very short time. A landslide would MOST LIKELY force animals living in the area to

• move to a new area

• develop new adaptations

• uncover all the buried plants

• develop different types of diets

Lightning can cause a forest fire, destroying the majority of plants in a forest. A forest fire will do all of the following EXCEPT

• stimulate the germination of certain seeds that need heat to complete a plant's life cycle

• increase nutrients in the soil available for plants, allowing for increased growth.

• cause a huge decrease in the predator population, maintaining the prey population numbers

• increase the amount of sunlight that can reach the forest floor, allowing new plant growth

Which of the following is the best prediction for how this flood will impact the ecosystems along the riverbed in the future

• Silt and minerals will be added to the soil, enhancing plant growth

• Grasses and other plants will die from a lack of water, causing animals to starve

• Large cracks will appear in the ground, providing new habitats for insect

• Tree branches will break off due to high winds, damaging birds' nests

A student gathered four trays and four different kinds of rock samples — granite, limestone, marble, and sandstone. She tilted the trays, put a rock sample on the top end of each tray, and used a pump to force water continuously through a tube over the rocks for four days (96 hours). She collected data and recorded observations of each rock sample at the end of each day.

The purpose of the student’s investigation is to determine —

• what kind of rock particles are suitable for purifying water

• how changes in the rate of water flow affect different kinds of rocks

• the effects of weathering on various environments of Texas

• the effects of pH on different kinds of rocks

Karen bought a birdbath made of poured concrete. The salesman suggested that she seal the surface with a watertight solution. Why was this suggestion made?

• In cold, wet weather, water seeping into the concrete would freeze and cause the birdbath to crack.

• The watertight solution would slow the evaporation of water during periods of warm weather

• Over time rainwater would react with the surface of the concrete and deposit a mineral layer over the carved areas

Hurricanes along the Gulf Coastal areas of Texas increase the rate of coastal erosion. Over time, this erosion can greatly affect the coastal environment.

Which of the following is a result of erosion on coastal environments?

• Over time, coastal land areas increase

• As waves crash on the beach, rocks are broken down

• Competition for resources increases as habitats are lost

• Steep canyons form from flowing rivers.

What is the relationship between ecological succession and equilibrium in an ecosystem

• Ecological succession leads to equilibrium in an ecosystem

• Ecological succession prevents ecosystems from ever reaching equilibrium

• There is no relationship between ecological succession and equilibrium.

• Ecological succession and equilibrium are the same thing

The role of a pioneer species in primary succession is to change a bare habitat into one that is suitable for other organisms. A species that is responsible for primary succession in an ecosystem is most likely able to

• survive any predator

• migrate during the winter

• live at high altitudes

• carry out photosynthesis

Which event in the formation of stalactites is an example of deposition

• Rainwater dissolves calcium carbonate from the limestone in the soil

• The water with dissolved calcium carbonate soaks into the ground towards the cave

• Some of the water collects in a pool on the floor of the cave.

• Some of the water evaporates leaving the calcium carbonate