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Bogdan [553]
3 years ago
8

Which two organisms in the food web are primary consumers? fox and rabbit rabbit and grasshopper shrew and snake snake and fox

Biology
1 answer:
Lorico [155]3 years ago
6 0

The correct answer is B. Rabbit and grasshopper

Explanation:

In ecosystems, primary consumers refer to organisms that eat producers, which are in the first level and include plants as they produce their own energy. Due to this, primary producers include mainly herbivore animals such as cows, goats, sheep, etc. Moreover, primary consumers are the prey of other animals, which are known as secondary consumers. In the image presented, the primary consumers include the grasshopper and the rabbit because the arrows indicate they feed exclusively on grass, which is the producer of this food web.

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4 years ago
There is a population where the frequencies of allele 1 and allele 2 are 0.7 and 0.3, respectively. Allele 1 has a selection coe
Lorico [155]

Answer:

0.8

Explanation:

There is a population where the frequencies of allele 1 and allele 2 are 0.7 and 0.3, respectively

Let's use GG to represent allele 1

Let's use gg to represent allele 2

So we can equally say that;

GG = p = 0.7

gg = q  = 0.3   ( from Hardy-Weinberg Equilibrium)

So, given that the selection coefficient = 0.2

We known that the cross between GG and gg will definitely results to (GG,Gg and gg)

Then the fitness of these genes can be represented as:

1 - s, 1 and 1 - t respectively.

Thus. the allele 1's genotype fitness can be determined as

= 1 - s    ( where s is the selection coefficient)

= 1 - 0.2

= 0.8

6 0
3 years ago
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Elena L [17]

C. How the organism is related to others

Explanation:

From a single fossil, a scientist can learn how the organism is related to others. Fossils are the preserved remains of organisms that are usually found in rocks.

  • Organisms must posses certain characteristics to ensure their preservation as fossils.
  • Most organisms that are preserved usually have hard parts.
  • Some climatic influence can also arrest decay and provide a platform organisms to be preserved wholly.
  • Fossils are used for relative dating of events in nature.
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  • This is called phylogeny. It is the study of evolution and how organisms relates to one another.
  • Fossils are very good and useful phylogenetic tools.

Learn more:

Fossils brainly.com/question/12790206

#learnwithBrainly

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Answer:

The answer should be law

Explanation:

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