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jarptica [38.1K]
3 years ago
7

Why is it necessary for oceanographers to analyze river pollution levels?

Biology
1 answer:
marissa [1.9K]3 years ago
7 0
Rivers usually empty into oceans. Any pollution deposited or pick-up by the river, will eventually end up in the ocean.
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If two orange heliodors have a child, what is the probability their child would be red?
Stels [109]

Answer:

25% or 1/4

Explanation:

The gene for colour in Heliodors is controlled by two contrasting alleles that codes for Red (R) and Yellow (Y) colours. However, these two alleles exhibit incomplete dominance, which is a phenomenon whereby a combination of both alleles gives rise to a third intermediate phenotype that is a blending of the other two parental phenotypes. In this case, both colours gives rise to a heterozygous Orange coloration (RY) in Heliodors.

However, if two orange Heliodors (RY) are crossed, four possible offsprings will be produced with the genotypes: RR, RY, RY, YY. This shows a phenotypic ratio of 1 red: 2orange: 1yellow. Hence, the probability of having a child with red coloration is 1 out of 4 possible offsprings i.e. 1/4.

Expressing this in percentage, we have 1/4 × 100 = 25%.

8 0
3 years ago
An experiment uses two groups of mice with 20 individuals in each group. Both groups are fed the same amount of water and food e
Anna007 [38]

Answer:

constants.

Explanation:

Climate-controlled room are almost indoor and are kept with stable temperatures and also with stable humidity levels.

<u>In biological experiments, it used to establish constant parameters like temperature, humidity, exposure to different things, growth of organisms and etc.</u>

These rooms provide better shelf life and thus better results.

6 0
3 years ago
What are two ways that diatoms differ from slime molds?
klio [65]
The external covering of diatoms are made up of, while slime molds have cell walls containing. diatoms are because they make food through photosynthesis, while slime molds are because they eat decaying plant matter
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Which taxonomic level has the closest relation? *<br> O Family<br> O Phylum<br> O Class<br> O Order
Dominik [7]
Class bc isnfnsfbwkdkcks
4 0
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If a person was unable to absorb nutrients from the large intestine, would this be lethal? What about if one could not absorb fr
Zolol [24]
It would in fact be lethal. The main function of the digestive system is just that, to digest food. Both intestines play an important part in the digestive system( to digest and absorb all nutrients possible from stomach contents) The function of the large intestine is to absorb water, left over nutrients from the small intestine and, electrolytes. It would be equally if not more deadly if the small intestine couldn’t absorb nutrients. Since the small I intestine also plays an important role with providing the body with nutrients and other vital materials it would be deadly if you could not absorb anything. You would go into a state of malnutrition and would need to be treated immediately.
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3 years ago
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