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melamori03 [73]
4 years ago
14

What is a pheromone

Biology
1 answer:
ludmilkaskok [199]4 years ago
8 0
<span>a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.</span>
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You are digging a hole in your backyard when you see a piece of fossilized bone in the dirt. How could you prove the age of the
NikAS [45]
To figure this out you have to look at the clues given the fossil it self it has many layers or solid Rock on it that is proven to go from youngest to oldest so with that being said you can design a procedure like "Rock identification" based on what type of rock that's on the first to last just identify it and know that based on the rock is how deep it has been in the ground or it's time period
Hope this helps :D
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3 years ago
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If a person were fasting and hadn't eaten for several days in a row, which source of energy would the body use as a
icang [17]

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Protein

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Protein calories is used as energy source when the body lacks fat or carbohydrates.

6 0
2 years ago
You observe a population of three-toed frogs that lives in the cloud forests of Panama. In this population, you observe the foll
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Answer:

0.1460

Explanation:

Total population size= 411 + 911 + 800 = 2122

Let's assume that the population is in Hardy Weinberg Equilibrium.

Under these conditions, frequency of recessive allele (a)= 911 x 2 + 800 / 2122 x 2   = 2622/4244= 0.6178 .

This is because each homozygous recessive genotype has two copies of the recessive allele while each heterozygous dominant genotype has one copy of the recessive allele.  

For this population to be under Hardy Weinberg Equilibrium, frequency of dominant allele (A) = 1- 0.6178= 0.3822

Frequency of homozygous dominant genotype (AA) = 0.1460

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3 years ago
Which organelle help to move materials in and out of the cell
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The golgi apparatus gets rid of all waste
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Q1. Fill in the blanks.
Fittoniya [83]

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microorganisms

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the shape of spirillum bacteria is spiral-shaped

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