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melisa1 [442]
3 years ago
12

I

Biology
2 answers:
sertanlavr [38]3 years ago
6 0

Answer:

C. Secondary Consumer

Explanation:

Well I took the quiz AND the zebra that ate the grass would be the primary consumer, so following the pattern, the lion that eats the zebra is the secondary consumer.

stira [4]3 years ago
3 0

Answer:

the answer would be C, secondary consumer since the zebra is the primary consumer and the plant is the producer

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How much energy does nuclear fusion generate
Strike441 [17]

Explanation:

Each D-T fusion event releases 17.6 MeV (2.8 x 10-12 joule, compared with 200 MeV for a U-235 fission and 3-4 MeV for D-D fusion). On a mass basis, the D-T fusion reaction releases over four times as much energy as uranium fission. :):)

4 0
3 years ago
What is the relationship between evidence, conclusions and theories.will mark brainliest
Pie

Answer:

They are inter-related with each other.

Explanation:

There is a great relationship present between evidence, conclusions and theories because evidences are those materials due to which a hypothesis can be verified and we can draw conclusion. When we repeat the same experiment and find out the same conclusion so it becomes theory and when these theories can't change with the passage of time, it becomes law. So evidence, conclusions and theories are inter-related to each other.

5 0
3 years ago
How do the bonding properties of carbon atoms result in the large variety of carbon based molecules in living things
Elden [556K]
Carbohydrates dissolve in water and lipids don't. Explain how the bonding properties of carbon atoms result in the large variety of carbon-based molecules in living things<span>. </span>Carbon atoms<span> are able to form 4 </span>types<span> of covalent bond which ends up as molecules</span><span>.</span>
7 0
3 years ago
Consider a species of sparrow that originally lived only in Alaska but recently expanded its range through North America, then C
Shtirlitz [24]

Answer:

North America is the one with the highest heterozygosity frequency for most loci, followed by Central America, and finally, South America with the lowest heterozygosity level.  

Explanation:

Some different forces or mechanisms might alter H-W equilibrium and lead to evolution, such as mutation, natural selection, migration, and genetic drift.

In the exposed example, we have a species of sparrow that migrates from Alaska to North America. Migration is unidirectional, which means that the movement occurs in only one direction: from Alaska to North America. We should also consider that the first immigrants colonized the area for the first time, meaning that there was not a receiving population of the same species already established. Finally, we need to consider that Alaska´s environmental conditions are very different from North America´s environmental conditions.

When a species arrives at a new place, it needs to adapt. The establishment and dispersion of the species in the new area depend on previous adaptation. So, when the firsts sparrow individuals arrived in North America, they faced new environmental conditions that acted as selective pressures that drove to the occurrence of mutations. A mutation implicates a stable and inheritable change in the genetic material. A mutation introduces changes, new alleles in the population, variability. But mutation rates are very low and have no evolutive direction, so they need another force to increase or decrease the mutant allelic frequencies. Natural selection benefits new advantageous alleles and transmits them to new generations changing their relative frequencies. <em>So, sparrows arrive in North America, mutated, and natural selection favored the beneficial mutations leading to a better adaptation to the environment.</em> This means that the heterozygosity level in this new recent population is very high.

As animals adapt to the new habitat and have better dispersal genes, they get to disperse even more. So they start new migration south, to Central America and South America. Again, they are moving to new regions with new conditions, and to establish they need to suffer new adaptations. But remember that we are talking about a recent event in time. Probably the animals migrating south are just a few.  They have not spent enough time yet in the new area, to adapt to the new environment and to include new genes into their population. What is even more, as they are a small new population moving south, they are more vulnerable to genetic drift events. Genetic drift acts on a population decreasing the variability between individuals, hence, decreasing the heterozygosity. <em>This small population suffers low mutation, has not enough time to establish, and is more vulnerable to genetic drift events.</em> The heterozygosity level is probably inferior to North America´s one.

Comparing the three areas, we could say that North America is the one with the highest heterozygosity frequency, followed by Central America, and finally, South America with the lowest level of heterozygosity.

8 0
2 years ago
You are on the scene in the bad part of town for an unresponsive 18-year-old type 1 diabetic patient. his mother states that he
Margaret [11]
<span>The answer would be: Continue patient care by getting a complete SAMPLE history and perform a complete secondary assessment.

If the reading of glucose test is normal, then you can exclude hypoglycemia from the possible diagnosis. Because the patient is accompanied by his mother, you can ask a brief history to exclude other possible diagnosis and complete secondary assessment before further help comes. The information would be beneficial to the healthcare personnel that will comes for help.
</span>
8 0
3 years ago
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