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DanielleElmas [232]
3 years ago
7

Which of these is characteristic of the photic zone of a freshwater ecosystem?

Biology
1 answer:
Helga [31]3 years ago
4 0
The presence of algae is the characteristic of the photic zone of a freshwater ecosystem
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What distinguishes an amniotic egg from eggs laid by other animals, including fishes, amphibians, and invertebrates?
PIT_PIT [208]

The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

<h3>Characteristics of an amniotic egg</h3>

Eggs laid by amniotes are different from other eggs laid by fishes, amphibians and invertebrates in that they lack a membrane and a larval stage. the shell of the amniotic egg protects the embryo in the absence of a membrane. The shell also allows for the exchange of oxygen and carbon dioxide between the the embryo and the environment.

Hence we can conclude that The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage

Learn more about amniotes : brainly.com/question/19158601

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7 0
2 years ago
A patient is examined for a routine volleyball physical, and she has a heart murmur. This may result from:
Ganezh [65]

Answer: The answer is the last option, Backflow of blood through a defective valve.

Explanation: Hypotension causes high blood pressure, and the other two options are not related to heart murmurs. A hear murmur is when the blood isn't flowing in the right direction causing the hear to beat irregularaly.

4 0
3 years ago
To create animals that have the characteristics of both species, some people have bred buffalo and Callie together. This is an e
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<span>To create animals that have the characteristics of both species, some people have bred buffalo and Callie together. This is an example of         </span>mixed dna
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True or False: Changes in an organism can't occur because of an outside force, such as a massive earthquake.
Nata [24]
True because it makes the earthquake impossible to reach the inside of an organism

8 0
3 years ago
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Select the correct sequence of steps as energy is extracted from glucose during cellular respiration.
White raven [17]

Answer:

a.glycolysis   d.acetyl CoA   b.citric acid cycle   e.electron transport chain

Explanation:

Cellular respiration is set of metabolic processes that occur within the cell in order to produce usable energy (ATP) from the nutrients (food). It can be divided into four main stages:

  1. Glycolysis-anareobic process in which glucose is broken down and it occurs in the cytoplasm.  Products of glycolysis are 2 molecules of pyruvate and 2 molecules of ATP.
  2. Transition- Pyruvate form the glycolysis  is transported into the mitochondria, where it is converted to a molecule  Acetyl CoA used for further breakdown
  3. Citric acid cycle or Krebs cycle- aerobic  process that occurs in the mitochondria matrix in which 4  molecules of ATP, and  NADH are produced
  4. Electron transport chain-set of reactions that occur within the cristae of mitochondria. NADH and electrons are passed  through electron transport chain to result in the production of ATP (32 ATPs for every glucose).
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3 years ago
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