1. a) Explain the possible pathways a water molecule can take as it makes its way through the water cycle. Use the following terms in your explanation: precipitation, evaporation, runoff, transpiration, condensation, percolation, and precipitation.

Start with the molecule falling as precipitation. (4 points)



b) What is one way water can cycle through sheep in a pasture? (2 points)



c) Earth is heated by global warming. How is the water cycle affected by global warming? (2 points)


2. A squirrel breathes out CO2 and a green plant releases O2. How are the squirrel and the green plant connected in the oxygen cycle? (4 points)

3. a) Explain how dead plants can be formed into fossil fuels. (4 points)

b) How does fossilized carbon get back into the atmosphere? (2 point)

c) Living organisms need nitrogen to build proteins and nucleic acids, but nitrogen cannot be used by plants in its gaseous state. How does a plant get the nitrogen from the soil? Name one of the nitrogen compounds produced in the process. (2 points)


4. a) Describe one way that technology has helped the environment. (4 points)


b) Describe two ways that technology has hurt the environment. (4 points)


5. a) What is a greenhouse gas and how does it affect the temperature of Earth? (2 points)


b) How does global warming affect the spread of diseases and the habitats of the animals on Earth? (2 points)


c) How is the carbon cycle related to global warming? (2 points)


6. The graph below shows a yeast cell population growing in a container of sugar over a period of 20 hours. Yeast will consume the sugar and build up waste products. Some of these wastes are poisonous to the yeast.

a) What has happened to the yeast population after hour 10? Why? (2 points)

b) Predict what will happen as more time passes. (2 points)

c) At hour 16, how does the carrying capacity in the container compare to the yeast population? Explain. (2 points)


7. a) Some populations of the world, like Africa's, have high fertility rates of over 7.0. Explain one factor that contributes to this high fertility rate. (2 points)

b) What are two things that can be done to encourage sustainable resources for Earth's human population? (2 points)

8. A community wants to build an energy source to replace its coal power plant. People want it to be safe and renewable and have the smallest effect on the environment.
a) Choose an energy source for this community. (2 points)

b) Explain why this energy source meets its goals. (2 points)


c) Describe one possible drawback of this energy source. (2 points)

Answer: 1. Hydration. Sheep drink water, or absorb them from grass, pass out urine which is subsequently by evaporation goes back

2.Rising global temperatures as a result of climate change are causing water to evaporate faster 3.heat and pressure from Earth's crust decomposed these organisms into one of the three main kinds of fuel: oil (also called petroleum), natural gas, or coal.

Explanation:

Which of the following are likely to be affected by a magnet?​

Which statement best supports the theory that eukaryotic cells evolved
through endosymbiosis?
A. Eukaryotic cells can eat prokaryotic cells by engulfing them with
cell membranes.
B. All prokaryotic cells are covered by a stiff cell wall that protects
them.
C. Their chloroplasts contain DNA that is similar to that of
prokaryotes.
D. Chains of amino acids form inside tiny bubbles filled with organic
molecules.

*i will mark you as brainliest*

Abyssal zones and coral reefs are two different types of ecological systems in the ocean. They vary in terms of their physical characteristics as well as in terms of the types and amounts of life they support.

Compare the geographic features of abyssal zones and coral reefs. What is it about coral reefs that allows them to support very diverse life forms and very large quantities of life? What is it about abyssal zones that allows them to support very diverse life forms but very small quantities of life? Explain the differences in the diversity and amount of life supported by abyssal zones and coral reefs with reference to their physical characteristics

.Specific processes must take place within the cell for protein synthesis to occur. The processes that take place within a cell for protein synthesis to occur. Which occurs during translation but not during transcription? A DNA template is used to create an mRNA strand. A tRNA template is used to create a DNA strand. A tRNA template is used to create an mRNA strand. An mRNA template is used to create an amino acid chain.

Which are electrical "nodes" of the heart? Check

all that apply.

sinoatrial node

aortic node

lymph node

heart node

atrioventricular node

In affected colonies ________________.
a. There is no queen bee
b. The food stores remain untouched
c. There are dead bees everywhere
d. The comb has disintegrated
2. Colony collapse disorder will only affect the price of honey.

Crossing a BB parent with a bb parent results in

The United States government does not allow travelers from foreign countries to bring plants, fruits, vegetables, animals, or other living organisms into this country. State one biological reason for keeping these out of the United States. ?

enzymes are macromolecular biological catalysts. enzymes accelerate chemical reactions. almost all metabolic processes in the cell need enzymes in order to occur at rates fast enough to sustain life. without them life on earth would probably not exist. identify two factors that can affect the structure and function of an enzyme and describe what causes the change to occur. course hero.

Which option describes cations?

Why are fossil fuels considered nonrenewable resources?

A. They take millions of years to form.
B. They cannot be used to create electricity.
C. They form quickly due to decaying biomass.
D. They require both sunlight and water to form.

The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an aquatic environement. What condtions cause the contracile vacuole to fill with water? Your answer: A.The concentration of water is greater outside the cell than inside the cell. B.The concentration of water inside the cell is the same as the concentration outside the cell. C.The temperature of water in the vacuole is higher than the temperature of its environment.

Which kind of organic molecules did Miller and Urey create in their
experiment?
A. Glucose
B. Nucleotides
C. ATP
D. DNA

Phosphorus is difficult for plants and animals to access in nature because____

What property of water allows fish and other animals to swim below the
frozen surface of lakes and rivers during the winter?
A. Solid water is denser than liquid water.
B. Solid water is less dense than liquid water.
C. Solid water is warmer than liquid water.
D. Solid water is colder than liquid water.

How do you know the molecule below is an unsaturated fat?
Η Η Η Η Η Η Η Η Η Η
L 1 1 1 1
|
H-C-C-C=C-C-C-C-C=C-C-C
1
1
HH HH
H
20
OH
A. The molecule contains carbon double bonds.
B. The molecule contains a carbon-oxygen double bond.
C. The molecule has no nitrogen atoms.
D. The molecule has an OH group on the end.

plz answer the question below

The soil in a flower pot, the amount of water added to the pot, the amount of
sunlight received by the plant, the amount and type of fertilizer given, and the
temperature of the air surrounding the pot all make up the plant's

a. ecosystems
b. habitat
c. abiotic factors
d. biotic factors

Precipitation that flows over the surface of the ground is called groundwater.
True or False

identify the kinds of support John will need through this chronic illness he is facing in his life?

Since pesticides run off from
several farms and fields can make its
way to are waterways such as rivers,
lakes, and oceans, what type of pollutant
are they considered to be?
A clean water act
B wastewater
C point source
D non-point source

I investigated sexual and asexual reproduction as well as the processes of cellular division by mitosis and meiosis Hypothesis: Record your predictions

Which of the following is not an appropriate unit for temperature? *
Kelvin
Celsius
O Joules
O Fahrenheit

Temperature, pH, and ionic concentrations each play an important role in the proper functioning of enzymes.

Alleles are:

A)different genes
B)building blocks of DNA
C)proteins
D)alternate forms of a gene

Using Escherichia coli and Entamoeba coli as examples, explain why the genus name must always be written out for the first use.

which characteristic of life distinguishes a fire and a flowering plant? A. use of energy B. movement C. growth D. defined boundary

When used together, perspective and color variation create what effect for the
viewer?
A. A psychological reaction
B. The illusion of depth on a flat surface
C. The illusion that a three-dimensional object is flat
D. Temporary blindness

3. How is primary and secondary succession the same?

Climate change causes extreme weather conditions
such as:
A. Flooding
B. Heat waves
C. Hurricanes
D. All of the above