eQuizShow

Science Midterm Fall- Part 2

Biomes

Question: What can cause sharp, rough mountains to become rounded and smooth over time?
Answer: Wind and Rain (weathering)

Question: Name one example of weathering that is NOT mechanical
Answer: Oxidation of iron in rocks

Question: When is an ecosystem best able to support a variety of organisms?
Answer: When organisms use the parts of an ecosystem differently -or-
when biodiversity is greater


Question: Which of the following would be the most effective way to prevent environmental damage from floods?

a.) Moving building and roads above flood level
b.)  Building levees and dams to hold back flood level
c.)  Avoid construction that destroys dunes, swamps and flood plains

Answer: c.)  Avoid construction that destroys dunes, swamps and flood plains

Question: Roadrunners, insects, spiders, snails, lizards, cactus, and grasses is an example of what Ecoregion of Texas?
Answer: Trans Pecos / Chihuahuan Desert

Water Systems

Question: Water from rain and melting snow that flows over Earth's surface is called?
Answer: Runoff

Question: The following are all examples of non point source pollution, except: 
  
 a.)  an industrial plant
 b.)  a construction site
 c.)  a forest
 d.)  a road
 




Answer: a.)  an  industrial plant

Question: Name 2 major contributors to pollution in streams and lakes:
Answer: 1.)  Fertilizers 
2.)  Pesticides in runoff


Question: How can hurricanes have an affect on a marine ecosystem?

A. Heavy precipitation floods roads and towns
B. High winds create waves that wash coastal organisms into the marine ecosystem
C. Tide surges rip out and kill many marine plants and displace many marine organisms
D. Added rainfall increases marine plant growth

Answer: C. Tide surges rip out and kill many marine plants and displace many marine organisms.

Question:

Give 3 examples of point source pollution:




Answer:

1st:  Sewage treatment plant

2nd:  Industrial plant

3rd:  Storm water



Ecosystems

Question: What is a river's watershed?
Answer: The area of land that supplies water to a river system

Question: Deciduous forest, gasses, mesquite tress, wild flowers, Mexican free-tailed bats, Texas blind salamander, golden-cheeked Warbler is an example of watch Ecoregion of Texas?
Answer: Edwards Plateau

Question: Which of the following is an example of secondary succession?

 a.)  appearance of mosses and weeds on an exposed rock fence
 b.) establishment of plants on a newly formed island
 c.)  an abandoned farm field covered with weeds and shrubs


Answer: c.)  an abandoned farm field covered with weeds and shrubs

Question: Which ecosystem in Texas would face the greatest damage due to potential erosion from a hurricane?

 a.)  Ecosystems near Austin  (inland)
 b.)  Ecosystems near Corpus Christi (near the shore/Gulf of Mexico)
 c.)  Ecosystems near San Antonio (inland)

Answer:  b.)  Ecosystems near Corpus Christi (near the shore/Gulf of Mexico)

Question: Longleaf pines, broad leaf plants, over 85 species of tress, over 180 kinds of birds is an example of what Texas Ecoregion?
Answer: Piney Woods

Cells

Question: What is the function of a vacuole?
Answer: To store and remove substances

Question: Which of the following levels of organizations best represents from smallest unit to largest?

 a.)  cell, tissue, organism, organ
 b.)  cell, organism, tissue, organ system
 c.)  cell, tissue, organ, organ system

Answer: c.)  cell, tissue, organ, organ system

Question: Which of these supports the cell theory as it is stated today?

 a.)  Not all cells are alive
 b.)  New cells are produced by division of existing cells
 c.)  Cell must contain a nucleus

Answer:  b.)  New cells are produced by division of existing cells

Question: Which relationship is most like the relationship of a cell within an organism?

 a.) A page in a book
 b.) A pebble on a mountain
 c.) An apartment in an apartment building

Answer:  c.) An apartment in an apartment building

Question: Which statement is not part of the cell theory?

 a.) All cells have parts such as cell walls and chloroplast
 b.)  All living cells come from preexisting cells
 c.)  All organisms are composed of cells.


Answer:  a.) All cells have parts such as cell walls and chloroplast

Wild Card

Question: A ____________ is any substance that is made of two or more different elements.
Answer: Compound

Question: Which formula represents an organic compound?

a.)  C12 H22 O11
b.)  NaCl
c.) NH3

Answer: a.)  C12 H22 O11

Question: What is true about cells?

 a.) All living things are made up of many cells, but not all cells are the same size and shape.
 b.)  Only animals are made up of cells, but not all animal cells are the same size and shape.
 c.)  All cells are the same size and shape, but not all living things are made up of many cells.

Answer: a.) All living things are made up of many cells, but not all cells are the same size and shape.

Question: What is true about the relationship between cells and the organism they are part of?

 a.)  Cells perform basic life functions for the organism, but they do not make up basic structure of organisms.
 b.)  Cells do not perform basic life functions for the organism, and they do not make up the basic structure of an organism.
 c.)  Cells make up the basic structure of an organism, and they perform basic life functions for the organism.

Answer:  c.)  Cells make up the basic structure of an organism, and they perform basic life functions for the organism.

Question: What two structures would you find in a plant cell that you would not find in an animal cell?
Answer: Chloroplasts and cell wall