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MariettaO [177]
3 years ago
7

According to Lamarck the long neck of a giraffe

Biology
1 answer:
Gre4nikov [31]3 years ago
4 0

Answer:

i believe it is a. none of the above.

Explanation:

lamarck's idea suggested they stretched their necks and passed the stretching down through generations.

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These two graphs show the amount of food consumed by a single species of organism. One graph shows food intake during one week i
steposvetlana [31]

Answer:

Explanation:

A food chain can be described as a series of energy dilutors, the energy that fails to reach the next level being dissipated as heat or movement. Most of the energy contained in the food of animal consumers is used by them during the processes of food collection, digestion and other essential metabolic activity. The overall efficiency of a food chain is therefore rather low and depends mainly on the number of different participants and thus on the length of the food chain. Generally, the greater the complexity of the food web the greater is the efficiency of the system as a whole. The main factors that determine the efficiency of food transfer are temperature, energy, and protein supply. Proteins form the major part of digestible algal and of animal cells; animals depend on receiving an adequate supply with their food because they are unable to synthesize some amino acids.

4 0
3 years ago
Which of the following molecules is used to make radioactively labeled DNA? A.Radioactive nucleotide, B. Glucose Monomer, C. Ami
Elza [17]

<u><em>radioactive nucleotide</em></u>

6 0
3 years ago
What are the two<br> processes in which<br> almospheric oxygen<br> is absorbed?
nikitadnepr [17]

Answer:

respiration and decomposition

Explanation:

Respiration is when animals breathe in oxygen and use it to produce energy, releasing carbon dioxide and water as by-products. In simpler terms, it is the act of breathing.

7 0
3 years ago
Starch is made up of:
lesantik [10]

Answer:

units of C 6 H 12 O 6

Explanation:

Starch is a polymer of billions of glucose units joined through a condensation reaction that splits out molecule of water. Starch is an important part of our food belonging to the category of carbohydrates. It is found in cereals and potatoes.

Starch can be in two forms based on the their structure and some other differences:

1) Amylose- straight chain polymer

2)Amylopectin- Branched chain polymer

You can see the structure of starch with glucose monomers for better understanding in the image.


Hope it helps!



8 0
3 years ago
The main criterion for a plant is that it is able to photosynthesis. what does this mean?
Minchanka [31]
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This food is called glucose, which is a type of sugar. Oxygen (O2) is also created during photosynthesis.
6 0
4 years ago
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