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Lady_Fox [76]
2 years ago
11

Help me solve this problem please i'm trying pass the 7th grade please

Biology
1 answer:
GalinKa [24]2 years ago
6 0
50% of the offspring should be homozygous recessive
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How do you think that natural selection was involved in the evolution of the hair-like structures?
Luden [163]

Answer:

maybe it helped people with health and skin care so maybe it inspired them to also use it for hair and it worked I hope this is something that atleast helped you sorry if it seems stu-pid

Explanation:

8 0
3 years ago
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Innate immunity________.
labwork [276]

Answer:

The answer is A.

Explanation:

Since only 1 of the options is wrong, i assume you are looking for that one.

Two types of immunity systems, innate immunity and adaptive immunity. Adaptive immunity is formed when it is exposed to a harmful substance, vaccines for example create adaptive immunity.

Innate immunity is present at birth which consists our skin protects us physically, chemical substances in our blood that protect us from bacteria and infections and also our blood cells such as T cells.

Since innate immunity forms one of the first lines of defense in our immune system and is the first to respond to a threat in a few hours down to as little as minutes, it is not slower than adaptive immunity in its response to infections and pathogens.

I hope this answer helps.

4 0
3 years ago
Please Help Next to Mark’s house, there is a large meadow with small plants and no trees. Behind the meadow is a dense forest wi
Bumek [7]
The forest would be cooler because the trees are thick and no sunlight is allowed through. things are much cooler when there’s no sunlight allowed near them- think about the difference on a hot summers day sitting in unshaded grass vs sitting in shady grass under a big tree.
3 0
3 years ago
Which technique often results in poor farmland?
VladimirAG [237]
The answer would be A, slash and burn.
8 0
3 years ago
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Which of the following are properties of all cells? 1. Evolution. 2. Growth. 3. Communication. 4. Diferentiation. 5. Compartment
kenny6666 [7]

Answer:

option B

Explanation:

The correct answer is option B

Cells are the basic structural and functional unit of life and possess genes. These genes evolve to carry out new biological functions in the body.  

Cells undergo division and growth whether it be unicellular organisms or multi cellular organisms.  

All cells possess the property of compartmentalization and metabolism henceforth taking up nutritive material from the environment.

These nutrients are further transformed into the cell compartments and the waste produced as a result is expelled out thus forming on open system.

7 0
3 years ago
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