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Extra Credit Journal -


What are your 3 major dreams?
How do you think these dreams will change your life?
In your dreams is there a certain group of people you are looking forward to helping?

Extra Credit Biology Question -

 
 
 
In recent years, studies of animal behavior have become increasingly important.

Answer either a. or b. below.

a. Describe experiments that demonstrate how honeybees

communicate the location of a food source to other members

of the hive.

b. Discuss several examples and the possible biological functions

of territoriality in the vertebrates other than man.

 

SCIENCE EXTRA CREDIT QUESTION -

 

Can you tell me how iron intake and blood levels relate to heart disease in older men?

Science Quiz #1:

Multiple Choice Questions (pick A,B,C, or D for each answer below)
 

 

 

1.

Why is Earth's biodiversity greatest near the equator?

 

(A)

There is more land at the equator than at the poles.

 

(B)

More species can live in warm climates than in cold climates.

 

(C)

Living things can reproduce faster in warm climates than in cold climates.

(D)

There is too much solar radiation at the poles to sustain life.

  

2.

Which of the following is not a characteristic of all living things?

 

(A)

the ability to reproduce

 

(B)

a body made of cells

 

(C)

the ability to use energy from sunlight

 

(D)

the ability to respond to the environment

  

3.

What makes up Earth's biosphere?

 

(A)

all the living things and their environments on Earth

 

(B)

only the living things found on Earth

 

(C)

only the environments in which living things are found

 

(D)

all the living things found in Earth's land environments

  

4.

Which of the following statements is true about biodiversity?

 

(A)

All the species that exist have been discovered.

 

(B)

There are about 100,000 known species.

 

(C)

One half of all the known species are plants.

 

(D)

Thousands of new species are being discovered every year.

  

5.

How do multicellular organisms differ from unicellular organisms?

 

(A)

Multicellular organisms need energy; unicellular organisms do not.

 

(B)

Multicellular organisms have cells with specialized functions; the cell of a unicellular organism is not specialized for one particular function.

 

(C)

Multicellular organisms must take in food; unicellular organisms make their own food.

 

(D)

Multicellular organisms have DNA as their genetic material; unicellular organisms have no DNA.

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Science Quiz #2:

1.

How is adaptation related to evolution?

 

(A)

Evolution causes individuals to adapt to their environment.

 

(B)

Adaptations that give an organism an advantage accumulate in a population and lead to evolution of the population.

 

(C)

Adaptations that are harmful cause a species of organisms to evolve into another species.

 

(D)

Individuals develop adaptations by using certain body structures more than others, a process called evolution.

  

2.

Which of the following is not a biological system?

 

(A)

molecules that make up a muscle

 

(B)

mouth, stomach, and small and large intestines that digest food

 

(C)

two cells in the body that function independently

 

(D)

single-celled organisms that live in a puddle

  

3.

What is the most likely function of suction cup-like structures found on the underside of an animal that lives on the ocean floor?

 

(A)

They help the animal move along the ocean floor.

 

(B)

They absorb solar energy from sunlight.

 

(C)

They digest the animal's food.

 

(D)

They make proteins.

  

4.

Which is an example of homeostasis?

 

(A)

A snake's blood is the same temperature in hot weather and in cold weather.

 

(B)

A turtle sits in the sun on warm days and in the shade on cool days.

 

(C)

A polar bear catches fish with its front paws.

 

(D)

A human sweats in hot weather and shivers in cold weather.

  

5.

In what way are a human and a bacterium related?

 

(A)

They are both multicellular organisms.

 

(B)

They are made up of similar molecules.

 

(C)

They reproduce in the same way.

 

(D)

They have similar organ systems.

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SCIENCE QUIZ #3:

 

1.

What term describe an explanation that a scientist offers to answer a scientific question?

 

(A)

conclusion

 

(B)

independent variable

 

(C)

dependent variable

 

(D)

hypothesis

  

2.

What condition in an experiment does a biologist manipulate?

 

(A)

independent variable

 

(B)

dependent variable

 

(C)

control

 

(D)

constant

  

3.

What statement is true about scientific theories?

 

(A)

They cannot be changed.

 

(B)

They are supported by a wide range of evidence.

 

(C)

They have been proved by scientists.

 

(D)

They are readily accepted by scientists.

  

4.

Which is the correct sequence of scientific inquiry?

 

(A)

forming hypotheses, observing, testing hypotheses, evaluating results, analyzing data

 

(B)

observing, testing hypotheses, forming hypotheses, analyzing data, evaluating results

 

(C)

observing, forming hypotheses, testing hypotheses, analyzing data, evaluating results

 

(D)

analyzing data, forming hypotheses, testing hypotheses, observing, evaluating results

  

5.

Which is an example of qualitative data?

 

(A)

After the chemical reaction ended, the mixture had a temperature of 52'C.

 

(B)

The chemical reaction produced a product that smelled like vanilla.

 

(C)

The mass of the product formed was 147.2 grams.

 

(D)

After the water froze, it had a volume of 102 mL.