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Marta_Voda [28]
2 years ago
10

When a person sees a doctor about a respiratory illness, the doctor will want to determine if the sickness is in the upper respi

ratory tract or the lower respiratory tract. The starting point for the lower respiratory system is the trachea.
Which structures are part of the upper respiratory system? Select three options.
Biology
1 answer:
ELEN [110]2 years ago
3 0

Answer:

lungs

throat

ears

Explanation:

I'm not sure how this helps.

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Living parts of an ecosystem such as individual organism population communities and there interactions are called ______? A habi
OleMash [197]

Answer: C Biotic Factors

Explanation: Biotic factors are the living aspects of an ecosystem such as fish and plants, while abiotic factors are the nonliving aspects such as water and rocks. Habitat is the home of the biotic factors.

brainliest please :)

8 0
3 years ago
ano ang iyong naramdaman nang balikan at suriin mo ang pagpapasiya at pagkilos na isinagawa mo ng mga nagdaang araw​
lyudmila [28]

Answer:

I feel happy and sorry.

Explanation:

I have different feelings when I go back and analyze the decisions and actions I have taken in the past few days because some of my decisions are right and some are wrong. I feel happy when I go back and find out my decision and actions were right, while on the other hand, I feel sorry when I find out that some of my decisions and actions were wrong.

8 0
2 years ago
Identify In the Krebs cycle, what is pyruvate converted to?
Delicious77 [7]

Answer:

Breakdown of Pyruvate

After glycolysis, pyruvate is converted into acetyl CoA in order to enter the citric acid cycle.

Explanation:

6 0
2 years ago
You arrive late to a biological seminar. However, just as you enter the room, you hear the speaker referring to the "five-prime
lidiya [134]

Answer:

c. DNA

Explanation:

The DNA is double stranded molecule that twist around each other to form a double helix structure. Each strand consists of nucleotide bases joined together by deoxyribose sugar-phosphate backbone.

<em>The two strands of the DNA lies anti-parallel to each other and each strand has two ends - the 5' end where the phosphate group gets attached to the 5′ carbon of a ribose sugar and the 3' end where there is a free hydroxyl group attached to the 3′ carbon of a ribose sugar.</em>

Hence, the correct option is c.

7 0
3 years ago
How did adaptive radiation affect plants after they first moved to land?
____ [38]

Answer:

The correct option is D.

Explanation:

Adaptive radiation refers to the ability of living organisms to evolve rapidly from an ancestral forms into variety of other forms especially when the organisms move into a new environment that has abundant resources. The resources, which are present abundantly in the environment allow the living organisms to spread out in the environment and to find different habitats in the environments that favour their survival.

In the question given above, adaptive radiation allows plants to fill different habitats (niches) that are found on land and to spread out rapidly.  

8 0
3 years ago
Read 2 more answers
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