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3 years ago

Explain briefly 3 farming methods and it's effects on the ecosystem

2 answers:

8 0

3 farming methods are:
arable farming grows crops, eg wheat and barley.
pastoral farming is raising animals, eg cows and sheep.
mixed farming is both arable and pastoral.
And it’s effects are:

Runoff often carries pesticides from farmers' fields that can damage aquatic ecosystems. A handful of farm dirt is rich in biodiversity. Soil biodiversity includes animals, bacteria, fungi and even the roots of plants growing above. ... These organisms can help farmers to reduce the negative effects of farming.

Anestetic [448]3 years ago

5 0

Answer: easy pasy

Explanation:

Water, agricultural and soil

Thank you for your question

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The study of the inheritance of traits is called

mylen [45]

Answer:

Genetics is a branch of biology concerned with the study of genes, genetic variation, and heredity in organisms. Gregor Mendel, a scientist and Augustinian friar, discovered genetics in the late 19th-century. Mendel studied "trait inheritance", patterns in the way traits are handed down from parents to offspring.

Explanation:

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3 years ago

Match each type of mutation with the correct chemical sequence for ACGT 1. A-C-G-G-T 2. C-GT 3. A-GC-T duplication, deletion, re

adelina 88 [10]

Answer:

1. A-C-G-G-T is duplication.

2. C-G-T is deletion.

3. A-G-C-T is reordering.

Explanation:

Your original sequence is ACGT. You compare the original sequence to the 3 mutations.

1. There 2 G's now, which means that the G has been duplicated.

2. The A is now gone in the front of the sequence.

3. The C and G were switched.

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3 years ago

What is the difference between osmosis and diffusion

Vinil7 [7]

Answer:

first question: 3. osmosis is a kind of diffusion that involves the movement of water

2nd question: 1. it allows carbon dioxide to move in and out of the cell

Explanation:

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3 years ago

What are the forces behind the surface currents known as gyre?

Anuta_ua [19.1K]

Answer:

F) Thermohaline circulation pattern move surface water from equatorial regions to the poles

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3 years ago

In humans, the hormone testosterone enters cells and binds to specific proteins, which in turn bind to specific sites on the cel

Crank

Answer:

They act to regulate the expression of specific genes (androgen-responsive)

Explanation:

Testosterone is a reproductive hormone in male humans. Testosterone as well as its closely related hormones e.g dihydrotestosterone, all belong to a class of hormones called "Androgens".

Androgens operate by entering into a cell and binds with specific androgen-receptor proteins (AR proteins). This contact activates the AR proteins, forming an androgen-receptor complex.

This complex then translocates into the nucleus of specific cells to bind to the DNA. Once it binds, it either inhibits or promotes the expression of specific genes (androgen-responsive). Hence, AR proteins are transcription factors because they play a significant role in regulating transcription of specific genes i.e. turning 'on' or 'off' of specific genes.

This process helps to direct the development of male sexual characteristics.

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4 years ago