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alex41 [277]
3 years ago
8

What is a key part of darwins idea of natural selection

Biology
1 answer:
forsale [732]3 years ago
6 0
<span>D. More individuals are born than can live on available resources.hope this helps!
</span>
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Which is the correct zooplankton size variation from smallest to largest?
GuDViN [60]
Zooplankton size variation:
1) picoplankton<span> - measure less than 2 micrometers
2) </span>nanoplankton -<span> measure between 2-20 micrometers,
3) </span>microplankton -<span> measure between 20-200 micrometers, 
</span>4) mesoplankton - <span>measure between 0.2-20 millimeters, 
</span>5) macroplankton<span> - measure between 20-200 millimeters,
6) </span>megaplankton - <span>measure over 200 millimeters (almost 8 inches). </span>
5 0
3 years ago
What does the owl pellet reveal about the owl's digestive system?
liq [111]
<span>The food goes to the proventriculus where digestive enzymes break down the meal.Owl stomach acid is weak so they only digest soft tissue of prey, not bones or fur. The food moves to the gizzard where usable substances get used by the body and indigestible parts remain in the gizzard.

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3 0
3 years ago
How are organisms in the domain Archaea different from those in the domain
lutik1710 [3]

Answer:

A. Archaea have DNA that is not in a nucleus.

Explanation:

Eukaryotes are the organisms that have well defined membrane bound nucleus and other membrane bound organelles in their cells. The domain eukarya include both unicellular and multicellular organisms. Archaea include the unicellular prokaryotic organisms that lack the membrane bound nucleus and membrane bound organelles.

hope this helped!

7 0
3 years ago
Read 2 more answers
when molecules such as oxygen or carbon dioxide move from high to low concentration, this process is known as ________________.​
Nady [450]

Answer:

Diffusion  

Explanation:

That's the definition of diffusion.

Diffusion is an important biological process; it is how oxygen and carbon dioxide move in and out of cells.

5 0
3 years ago
a procedure which uses a catheter with an electrode in its tip to destroy the cells from which abnormal cardiac rhythms are orig
Nikolay [14]

A procedure which uses a catheter with an electrode in its tip to destroy the cells from which abnormal cardiac rhythms are originating is called Ablation.

Ablation therapy is used to treat some rhythm abnormalities. While cryo or freezing ablations have been used to address a number of rhythm issues, the bulk of ablations are performed using radiofrequency energy and catheter heating.

invasive intracardiac testing is necessary even though radiofrequency ablation is frequently safe and effective. The tissue is heated to a temperature of 45–100 °C using radiofrequency energy and an alternating current of 370–50 kHz. The catheter-induced lesion has dimensions of 5–6 mm in diameter and 2–3 mm in depth. To treat certain rhythm issues, like VT , a catheter with a larger tip, also known as an "irrigated tip," is used to make deeper and larger lesions.

Learn more about Ablation at

brainly.com/question/14206721?referrer=searchResults

#SPJ4

8 0
1 year ago
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