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ira [324]
3 years ago
11

True or False? Only some of our human needs (food, materials, etc.) come from natural resources. *

Biology
2 answers:
mixer [17]3 years ago
5 0

Answer:

False, our bodies only need things that come from natural resources. Yes we still use things that come from unnatural resources but we only need things that come from natural resources

Explanation:

Misha Larkins [42]3 years ago
3 0

Answer:

false

Explanation:

your body needs a lot on food, materials, etc. from natural resources

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Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber
zmey [24]

Answer:

B. Shortens

Explanation:

Myofibrils are components of the animal skeletal muscles that are made up of sacromeres. They perform the muscular contraction and relaxation via the sliding filament model.

To produce motion, A cross-bridge forms between actin and the myosin heads triggering shortening of the sacromere. This shortening of the sacromere results in the contraction of the muscle fibers, which the net effect can be seen to be a shortening of the fibers

3 0
3 years ago
Read 2 more answers
If 100,000 kJ of energy is available to the producers, how much energy is available to the secondary consumers in this food pyra
spayn [35]

If 100,000 kJ of energy is available to the producers, 1000 energy is available to the secondary consumers in this food pyramid.

<h3>What is 10 law of energy flow explain?</h3>

According to ten per cent law only 10 per cent of the energy entering a certain trophic level of organisms is known for transfer to the next higher trophic level.

Thus, 1000 energy is available to the secondary consumers in this food pyramid.

To learn more about energy transfer click here:

brainly.com/question/1249777

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8 0
2 years ago
If Parent 1, Tt, crosses with Parent 2, tt, what percentage of offspring will display the recessive trait
stiv31 [10]
50% of their offsprings will have the recessive trait because if you use Punnett square to analyze the data you will see that only 50% of their children will have Tt as their allele
4 0
3 years ago
Read 2 more answers
_________ is the likelihood that a given event will occur.
Ulleksa [173]

#1 PROBABILITY is the likelihood that a given event will occur.

I'm not sure on #2, Sorry

8 0
3 years ago
Read 2 more answers
In beta fish, a blue tail (B) is dominant over a black tail (b) and a metallic sheen (M) is dominant
Tju [1.3M]

Answer:

D) 8 blue tail nonmetallic: 8 black tail nonmetallic

Explanation:

The first thing to realize about the problem is that all offspring will be nonmetallic. Both parents are pure recessive for nonmetallic tails; therefore, their offspring cannot have metallic tails. So to find the ratio, use a simple punnet square with Bb and bb. This results in a 50% chance of Bb (blue) and 50% bb (black). So the last answer is correct.

7 0
2 years ago
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