Brainstorm and create a list of 4 human activities that interfere with ecosystems, food chains and food webs. For each explain how it happens, why we do it, and mention short and long term effects

Answers

Answer 1

Answer:

Answer:

The humans are the dominant consumers. They influence food chains and food web through agriculture, production of energy, habitat destruction, pollution, hunting, and overfishing. This is generally done in order to fulfill the demands for food and shelter along with the growth of population. In long term, it influences aquatic and soil ecosystems.

In case if due to human activities if one community of animals gets extinct then there will be a chain reaction of animals getting extinct. The animals live in harmony to thrive and without which it will proliferate into more extinct animals. Ultimately the majority of the animals will no longer be alive.

Answer 2

Answer: here are some things that interfer with the ecosystem (highways, driving cars, fossil fuel, cities, farms, deforestation, over hunting, over fishing and plastics)

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What difference between heterozygous and homozygous?

Answers

A heterozygous individual is if a mutation occurs in just one copy of the gene.
If both copies of the gene are mutated than the individual is homozygous

What would be the appropriate range for resistance and repetitions when one is designing a resistance training program targeted to develop strength? Muscular endurance? Muscular power? Hypertrophy?

Answers

Answer:

Explanation:

Strength: The strength range must include 2-6 sets, repetitions should be less than or equal to six, resistance must be offered for 2-5 minutes.

Muscular endurance: The muscular endurance must include repetitions of 12-16 and resistance must be increased by 5% by each repeat.

Muscular power: The sets must be 3-5 times with repeats of 1-2 times and resistance must also be provided.

Hypertrophy: The sets of repeats must be 6-12 times. The resistance must be offered for 30-90 seconds.

Write ten ways by which water bodies are polluted

Answers

Answer:

A few ways could be

-toxic waste

-trash and plastic

-sewage

-indirect contamination

-bacteria and parasites

-mining

-burning fossil fuels

-direct marine dumping

-oil leak

-chemical pesticides

Explanation:

These are the 10 I found and came up with but there are many detrimental ways that we directly and indirectly effect the pollution of water.

(select all that apply.) the mismatch of a dna base pair during duplication can result in a _____.

Answers

Out of the followinggiven choices;

mutation

recombination

differentiation

change

The answer ischange and mutation. When there is a mismatch base pair the mismatch repair mechanismof the polymerase enzyme kicks in. if the mismatch repair is defective, then a mutation will occur at the site of the mismatched base. These mutations can result inchanges in the phenotype of the cell that resultsin disease.

SOS:

The answer is change and mutation!

Hope this helps!

Fossils give evidence of continental drift False
True