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Mkey [24]
3 years ago
6

A cross section of a tree bunk shows 20 dark colored rings and 20 light colored rings what is the likely age of this tree

Biology
1 answer:
Crank3 years ago
7 0

40 years, the color just provids whether or not it was a wet year

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The most highly concentrated source of energy in the body is ___
DIA [1.3K]
The answer is B, carbohydrates. 

Carbohydrates are the first choice of the energy source of your body, they can be broken down into simple and soluble compounds such as glucose. These can be used by cells for respiration to generate energy for activities such as growth, movement, repair etc. Besides using for respiration, they are also capable of forming cell structures such as cellulose. 
3 0
3 years ago
I need help on #13 please
eimsori [14]
Earthquakes occur along faults because they're under pressure.
Faults are cracks in the Earth where the tectonic plates are moving in different directions, thus there is a pressure.
4 0
3 years ago
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_____is an interaction between species that affects both species negatively (-/-), as they utilize similar resources.
jolli1 [7]

An interaction between species that affects both species negatively (-/-) , as they utilize similar resources is called as Competition .

Competition :

Competition is a process in which the fitness of individual of one species is significantly lower than that of the individual of same or different species.

Types of competition :

For the necessities of life , it is divided into two types .they are as follows,

A) interspecific competition : it is a competition which occurs between the individuals of two different species having some requirements of life , e.g.,carnivorous animals such as tiger ,lion ,leopard etc .compete for the prey . in the forest habitat ,herbs and trees compete for sunlight , water space , minerals , and biological pollinators .

If the individuals of two different species have sme one or more requirement the the competition becomes very severe e.g., grassland is the common habitat for bison ,dear rabbits ,rats grasshoppers , etc .if thee is short supply of grass due to draught then the competition becomes severe

The survival of the consumers is determined by the quantity of grass required by each species ,ability to change the food and its capacity to migrate to new localities.

B) Intraspecific competition : it occurs between the individuals of the same species .this type of competition is very severe as all the individuals of the same species have almost common requirement of food ,habit etc .besides they also exhibits similar adaptations to fulfill their requirements ,e.g., animals of same species compete for water ,food and mates .

Intraspecific competition is the driving force behind evolution and natural selection .

Thus the Competition only negative impact on environment.

Learn more about Competition here:

brainly.com/question/28202938

#SPJ4

7 0
1 year ago
CAN SOMEONE PLS HELP ME WITH THIS QUESTION ILL MARK BRAINLIST
vovikov84 [41]

Answer:

Third one down

Explanation:

RR is heterozygous dominant and Rr is heterozygous recessive

5 0
3 years ago
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What genotype outcome results when a h0m0zygous recessive parent reproduces with a h0m0zygous dominant parent?
Elodia [21]
Offspring will be heterozygous expressing the dominant trait.
Hope this helps.
4 0
3 years ago
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