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gtnhenbr [62]
2 years ago
8

What is a keystone species? Why are keystone species important? Give and example.

Biology
1 answer:
harkovskaia [24]2 years ago
3 0

Answer:Key stone

Explanation:

Keystone species hold together the complex web of relationships in an ecosystem. They can be animals, plants or microorganisms. Examples of keystone species include starfish, sea otters, wolves and elephants.

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I can’t figure this out! Does anyone have a clue what the answer is ??!
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Answer:    point D

Explanation:

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4 years ago
(WILL GIVE BRAINLIST) Rabbits are very popular domesticated animals, so popular that there are over 300 breeds of domesticated r
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1) Breed A average weight = 9 pounds. Breed B average weight = 12.125 pounds. 2) Parentals' genotype, female size, number of deliveries, food, competition. 3) Genetic and non-genetic factors.

<h3>What is an average?</h3>

The average is the arithmetic media.

It can be calculated by adding the values of all the provided numbers, and then dividing the result by the total amount of numbers.

1) Average weights

Breed A: 10, 8, 7, 10, 9, 9, 10, 9

Average: (10 + 8 + 7 + 10 + 9 + 9 + 10 + 9) / 8 = 72 / 8 = 9 pounds.

Breed B: 10, 12, 14, 13, 10, 15, 11, 12

Average: (10 + 12 + 14 + 13 + 10 + 15 + 11 + 12) / 8 = 97 / 8 = 12.125 pounds.

2) Influencing factors:

  • Genetics: Individuals' size and weight can be inherited from their parents.

  • Female size: If the female is small, there are more probabilities of having small progeny than big ones, especially if the litter is numerous. This factor is known as uterine capacity.

  • The Number of deliveries: It is also significant the female's number of deliveries. Very young inexperienced mothers produce smaller litters and small-sized progeny than expert mothers.

  • Food: Individuals that are fed with a compete high-quality food will be bigger and will weigh more than those that are fed with poor-quality food.

  • Competition: If litters are numerous or there are many individuals, competition for resources might increase, leading the individuals to express lower weight.

<h3>How to track the growth rate?</h3>

To track the growth rate, we could consider genetic factors and non-genetic factors.

  • Genetic factors are related to the parentals' genotypes. The progeny inherit the alleles from their parents, and allele combinations determine the size and weight of individuals.

  • Non-genetic factors refer to the parental conditions before mating, and to external environmental factors.

To track the growth rate of the two rabbit breeds we could

  • Analyze the phenotypes and genotypes of the parents.

  • Evaluate the state of each parent before mating. At this point, we could consider age, size, sèxual maturity, experience, number of deliveries, receptiveness, if females are still breastfeeding or if they have recently wean, among other factors to analyze.

  • We could also consider the birth weight and the weaning weight, which are highly correlated, and give information about nourishing during gestation and lactation.

  • External factors such as food quality and quantity, stressful factors, diseases, seasons, temperature, and others are also important to consider.

You can learn more about factors affecting weight at:

brainly.com/question/1105798

brainly.com/question/2973463

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2 years ago
A kitten is born with one blue eye and one yellow eye. What is the genetic term for this situation and what does it mean?
statuscvo [17]
Complete heterochromia
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Anemometere, Wind vane, Thermometer, Hygrometer,And rain gauge...,,Just look up the definition of each of those and it should tell you
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3 years ago
A unique substance composed of atoms having the same atomic number
Darina [25.2K]

Answer:

Element

Explanation:

An element is made up of a single type of atom, that is, it’s a substance made up of atoms that have the same number of protons in the nucleus, this number is known as the atomic number of the element. An atom is the smallest particle of an element that retains its properties.Each element is made up of atoms with the same chemical properties such as reactivity, ionization potential. Chemical elements are identified by names given in antiquity, derived from some property of them, from the name of their discoverer, from the place of discovery. In nature there are 92 elements that can be presented (at 1 atm of pressure and 25 ºC) as solid: iron, lead; liquid: bromine, mercury or gas: chlorine, oxygen.

6 0
3 years ago
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