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SOVA2 [1]
3 years ago
12

Public transportation is the most fuel efficient way to get to your local store. Please select the best answer from the choices

provided T F
Biology
1 answer:
irga5000 [103]3 years ago
6 0

Answer:

false

Explanation:

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Answer:b

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3 years ago
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After the aswan high dam was built on the nile river, the rate of parasitic worm infection doubled in the human population near
valentinak56 [21]

After the aswan high dam was built on the nile river, the rate of parasitic worm infection doubled in the human population near the dam. as a result of building the dam, the flow of the nile changed. this changed the habitat, which resulted in an increase in its population of a certain aquatic snail. the snails, which were infected, released larvae of the worm. these larvae then infected humans. this situation best illustrates that:

A. the influence of humans on a natural system is always negative in the long term

B. the influence of humans on a natural system can have unpredictable negative impacts

C. human alteration of an ecosystem does not need to be studied to avoid ecological disaster

D. human alteration of an ecosystem will cause pollution and loss of finite resources.

The correct answer is option (B) the influence of humans on a natural system can have unpredictable negative impacts.

The biosphere refers to the biologically inhabited part of the earth in association with the atmosphere, hydrosphere and the lithosphere. Human beings have been influenciung this natural system of biosphere causing numerous negative impacts. This finally affects all the living organisms of the biosphere.

Human activities like industrialization, construction of dams, chemicals based agriculture and others have been affecting the habitats. Construction of the dams changes the habitat. This change in the habitat can endanger or increase certain species. The change in the habitat can affect the abiotic factors as well as the biotic factors. In case of the river Nile, it increased the snails which were infected by the larvae of parasitic worms. Thus, doubling the infection of parasitic worms in the humans.

When the natural system of rivers have been influenced by the humans, it always has the negative effects on the life.

4 0
3 years ago
Read 2 more answers
1 pts
erica [24]

Answer:

The Calvin cycle is a process that plants and algae use to turn carbon dioxide from the air into sugar, the food autotrophs need to grow.

Every living thing on Earth depends on the Calvin cycle. Plants depend on the Calvin cycle for energy and food. Other organisms, including herbivores, also depend on it indirectly because they depend on plants for food. Even organisms that eat other organisms, such as carnivores, depend on the Calvin cycle. Without it, they wouldn't have the food, energy, and nutrients they need to survive.

The Calvin cycle has four main steps: carbon fixation, reduction phase, carbohydrate formation, and regeneration phase. Energy to fuel chemical reactions in this sugar-generating process is provided by ATP and NADPH, chemical compounds which contain the energy plants have captured from sunlight.

Explanation:

7 0
3 years ago
Studies of fat cells a d thyroid cells show that fat cells have fewer mitochondria than thyroid cells. A biologist would most li
Eddi Din [679]
Think where mitochondria are found in the greatest numbers - they are found (for example) in liver cells, kidney cells, muscle cells etc. These tissues carry out a lot of work and thus require lots of energy. 

<span>Fat is a storage product that sits there until required but the thyroid does lots of work involved in metabolism and therefore requires plenty of energy.


This should help :)

</span>
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A foods chain is a good example of what
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A food chain is a good wxample for animals or living things that need food

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