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Igoryamba
2 years ago
7

If a disease strikes the snake population in the food chain shown, what will be the initial effect on the populations of hawks a

nd rabbits?

Biology
2 answers:
Lelu [443]2 years ago
8 0

Answer:

The rabbit population will spike and the hawk population will drop

Explanation:

Due to the lack of a natural predator, the rabbit population with see a very large increase.

The hawk population will see a very significant decrease, due to the lack of it's primary source of food (snakes).

Ilya [14]2 years ago
5 0

Answer:

The hawk population will drop while the rabbit population will rise.

Explanation:

With the way the pyramid is structured, it shows that the rabbits eat grass, snakes eat the rabbits, and hawks eat the snakes. If the snakes are gone, the hawks will lose a food source, and their population will drop. Also, the rabbit population will rise, because the snakes eat the rabbits, and if the snakes are gone, they won't have any predators.

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The vector, which is often a small, circular piece of dna that can exist outside the bacterial chromosome, is known as what?.
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The vector, which is often a small, circular piece of dna that can exist outside the bacterial chromosome, is known as a plasmid.

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1 year ago
In order for evolution to occur, which of these conditions must be met?
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Answer:

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2 years ago
A point mutation that results in the substitution of one amino acid for another within a protein is a ______.
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<span>A point mutation that results in the substitution of one amino acid for another within a protein is a missense mutation. 
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3 years ago
I really need these!!
s2008m [1.1K]
1- Combustion reactions are exothermic reactions since these reactions result in the emission of heat (heat is a product and not a reactant)

2- A substance with higher specific heat that water would be liquid ammonia. This means that, for the same amount of energy given to both water and liquid ammonia, water will heat faster and gain more thermal energy (in degree celcius) that liquid ammonia.

3- Conduction : occurs when heat is directly transmitted from a material to another due to the difference in temperature between both. Examples are:
a- when using an iron the heat is transferred from the  iron to the piece of clothe being ironed
b- if you hold a hot cup heat will transfer to your hand
c- when you hold chocolate with your bare hand it will melt due to the transfer of heat from your hand to the chocolate
d- when you heat food on the stove the heat will transfer from the flame to the pan
e- when you hold ice it melts due to the transfer of heat from your hand to the ice piece
f- when you place hot liquid in a cup the heat will transfer from the liquid to the cup and the cup will become hot
g- if you place a spoon in a plate containing hot food the heat will be transferred from the food to the spoon making it hot
h- when you walk on the sand beach during summer the heat will be transferred from the sand to your feet and your feet will be hot
i- if you hold someone's hand when he/sh is cold the heat will be transferred from your hand to his/hers
j- Light bulbs emit heat, if you touch them this heat will be transferred to your body

4- Convection : is the transfer of heat through liquids or gases. Examples:
a- when water at the bottom of a pot is heated, it transfers this heat to the water above by convection
b- the process of ice melting when left in the air where heat is transferred from the air to the ice
c- the same goes for chocolate melting
d- cooling a frozen substance using running water where heat is transferred from the water to the frozen substance
e- when you stream a hot cup of tea/coffee, you transfer heat from the tea/coffee to the air
f- when a radiator moves the hot air upwards and the cold air downwards
g- when a balloon rises up wen being filled with hot air
h- when the ocean circulates and heat is transferred from warm water to cool water
i- when heat is transferred from a bulb to the surrounding air
j- when you cool the radiator of your car using water where water is transferred from the radiator to the water.

5- Radiation: the emission of energy in the form of waves. Examples:
a- the sunlight (ultraviolet radiations of sunlight)
b- x-rays
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d- the gamma radiations from the explosion of a star
e- microwaves of a microwave oven
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8 0
3 years ago
Suppose the two possible alleles for the height gene are tall and short. If short is recessive to tall, provide the symbol repre
navik [9.2K]

Phenotype - short , Tall

Genotype - tt (short) , TT or Tt (tall)

<u>Explanation:</u>

In Mendelian Genetics, <em>Dominant traits</em> are represented by capital letters and <em>Recessive traits</em> are represented by small letters.

So if height is the character considered, then the traits would be short and tall.

Tall is the dominant phenotype and short is the recessive phenotype.

The alleles of the gene for height are T and t.

The genotype for Tall trait is TT or Tt.

The genotype for short trait is tt.

Therefore, the symbol representation of phenotype (Tall) is TT or Tt and for phenotype (short) is tt.

5 0
3 years ago
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