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arsen [322]
2 years ago
11

What was the first species in a area

Biology
1 answer:
Lemur [1.5K]2 years ago
3 0
Attach image to describe better
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Which principle states that no two organisms can occupy the same niche within an ecological community?
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competitive exclusion

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f an egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, wh
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When information has to cross your corpus callosum, we respond _____ when the information does not cross the corpus callosum?
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The corpus callosum does allow the hemispheres of the brain to have an access to the information in both sides therefore the information need to cross the corpus callosum yet if it would not cross into the corpus callosum the person would respond the opposite way as then.
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2 years ago
1. Explain how the traits of an organism are related to the genes in DNA.
viktelen [127]

Genes in DNA or responsible for the traits an organism has. This is caused by Dominant and Recessive Traits. Remember that Genotypes are the genetic letters such as RR, Rr, and rr. Phenotype is physical traits.

Dominant Traits are more likely or always show in the offspring. The Dominant Genotype uses Capital letters such as RR.

Recessive Traits are less likely to show up. Their Genotype use lower case such as rr. Now genotypes of Rr have one dominant trait and one recessive trait. If the dominant trait was black fur and the recessive white fur, the offspring will be black fur because dominant traits overpower the other.

To understand how to know if an organism will have Dominant or Recessive Genes, you have to use something called a Punnet Square. Lets imagine 2 parents both have the genotype Rr. R is Black fur and r is white fur. As you can see from the chart, 3 of 4 boxes have Rr and 1 rr. Since there is a Dominant Trait with a Recessive, they will show a Dominant Phenotype, or Black fur. This has 3/4 chance and a 1/4 chance for white fur in the offspring.

| R. r

-----------------------------------

R | Rr. Rr

-----------------------------------

r | Rr. rr

7 0
2 years ago
(5.01 MC)An estuary ecosystem has been damaged by pollution and sediment runoff. What types of factors should be considered when
andrew-mc [135]

Answer: (D)

Explanation: biotic factors depend among abiotic factors, meaning that living things need non-living things in order to survive. That also means that biotic factors everywhere including the surrounding area need to be thought of in this sense so that they are able to survive in the environment they are in.

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3 years ago
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