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ra1l [238]
3 years ago
15

What is composed of several food chains in an ecosystem that intersect and depend on one another?

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
7 0

Answer:

Food web

Step-by-step explanation:

Food chain describes how each living organism feed.

Plants are producers because the use photosynthesis to grow and provide nutrients which animals later come to consume, because animals devour plants or animals because they cannot produce their own food like plants. The animals are known as consumers.

Fungi is also a consumer because it absorbs the nutrients available from other living organisms.

Consumers are classified into three types:

1. Carnivores are organisms that feed mainly on animals



2. Herbivores who feed on plants

3. Omnivores who feed on both plants and animals.

A food web describes the relationship between various food chains and how they interact with each other in the eco system.

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Answer: D
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3 years ago
Angles c and d are complementary. If angle c is 2x and angle d is 66, what is the value of x?
Mrac [35]

Answer:

x=12

Step-by-step explanation:

Complementary angles add up to 90 degrees. 90-66=24. 24 divided by 2 is 12.

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3 years ago
Solve the inequality 4x-7 less than 5
Alik [6]

Answer: X is less than 3

Step-by-step explanation:

4x - 7 < 5

Add 7 to both sides:

4x < 12

Divide both sides by 4:

x < 3

7 0
2 years ago
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What is 9/21 in simplest form
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3 years ago
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Which expression gives the y-coordinate of the solution of the system? 3915518_Eqn011.gif
Tems11 [23]

General Idea:

The Cramer's rule can be used to find the value of y.

For a system of equation of the form:

ax+by+cz=j

dx+ey+fz=k

gx+hy+iz=l

Determinant D =\left[\begin{array}{ccc}a&b&c\\d&e&f\\g&h&i\end{array}\right]

D_{y} =\left[\begin{array}{ccc}a&j&c\\d&k&f\\g&l&i\end{array}\right]

y=\frac{D_{y}}{D}

Applying the concept:

x+2x-2z=3\\3x-y+z=16\\x+z=7

D=\left[\begin{array}{ccc}1&2&-2\\3&-1&1\\1&0&1\end{array}\right] \\D=1(-1-0)-2(3-1)-2(0+1)\\D=-1-4-2\\ D=-7

D_y=\left[\begin{array}{ccc}1&3&-2\\3&16&1\\1&7&1\end{array}\right] \\ D_y=1(16-7)-3(3-1)-2(21-16)\\ D_y=9-6-10 \\D_y=-7

Conclusion:

The expression which gives the y-coordinate of the solution of the system is option D.

OptionD=\frac{\left[\begin{array}{ccc}1&3&-2\\3&16&1\\1&7&1\end{array}\right] }{-7}

6 0
3 years ago
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