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AnnZ [28]
3 years ago
10

Question 23 (6 points)

Biology
1 answer:
Stels [109]3 years ago
8 0

Answer: 1. Sea urchins and sea otters

2. They are prey for carnivores.

3. Sea otters, star fish

Explanation:

Sea urchins and sea otters are carnivores as they eat on the flesh of starfish and sea urchins respectively.

Starfish feed on the kelp forests which are the producers in the food chain and the starfish is the primary consumer and prey for sea urchins.  So, starfish and kelp forests are the prey in the marine ecosystem.

Keystone species is the one which controls the population of other inferior species in an ecosystem. Here, sea otters consume sea urchins so the population of sea urchins remained in control Starfish controls the population of kelp forest.

 

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Ok so if this is High school stuff then my school is trippin, im in 7th grade and have harder questions than that...... ∵
Darya [45]

Answer:

people usually put high schools for some reason

Explanation:

like how you're in 7th grade, but listed "in college".

or its just the system doing that

8 0
2 years ago
Read 2 more answers
How to find solvent?
Helen [10]

Answer:

here

Explanation:The concentration of a solution can be given in moles of solute dissolved per kilogram of solvent.

This is known as molality.

(Not to be confused with molarity which is a different measure of concentration.)

Molality is given the symbol m.

molality = moles of solute ÷ mass of solvent in kilograms

m = n(solute) ÷ mass(solvent in kg)

A solution containing 3 moles of solute per kilogram of solvent for example, is said to be 3-molal or 3m.

4 0
3 years ago
Eukaryotic genomes have gene sequences that can code for more than one polypeptide sequence because _____.
ipn [44]

Answer:

The  correct answer would be -A pre-mRNA becomes mRNA by cutting out different introns

Explanation:

During the process of the RNA splicing, pre-mRNA has several specific segments of sequence that are identified by the spliceosome and then removed from the pre-mRNA. Specific parts that are removed are known as introns and the parts that stuck to become mRNA are exons.

Gene sequences in the eukaryotic genome can code for more than one protein due to removing the different introns every time to become mRNA from pre mRNA.

4 0
3 years ago
The messenger RNA codes for six different amino acids are shown in
TEA [102]

Answer:

A. Valine has replaced glutamic acid

Explanation:

hope this helps:)

6 0
3 years ago
A population of fruit flies where wing shape is determined by one pair
AVprozaik [17]

The value of 2pg in the given population is 0.432

<u>Explanation:</u>

Given:

C is normal

c is curly wings

So the homozygous dominant condition would be CC

Heterozygous condition would be Cc

Recessive condition would be cc

According to Hardy Weinberg principle,

p² + 2pq + q² = 1

and

p + q = 1

Here,

q² = cc = 100

q² = 100 / 1000

q = √0.1

q = 0.316

So,

p + q = 1

p + 0.316 = 1

p = 0.684

Thus, 2pq would be:

= 2 X (0.684) X (0.316)\\\\= 0.432

Therefore, the value of 2pg in the given population is 0.432

5 0
3 years ago
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