Answer:
Control: sat in silence
Experiment: with music
Independent: The music or no music
Dependant: Their heart rate and pulse
Explanation: Control group: is the one that sat in silence
The one that listened to music is the Experimental Group
The independent variable is the thing that they change, the music
And the dependant variable is what is being measured, their pulse and heart rate
Sea urchins tend to have great camouflage because they sometimes carry algae and rocks on their shells.
<h3>What is camouflage?</h3>
Camouflage is a defense mechanism used by certain organisms to avoid predation or surprisingly attack their prey.
Different animals possess different camouflage mechanisms. For example;
- Chameleons change their color to that of their immediate environment
- Certain snakes hide in vegetations that blend with their skin color.
However, sea urchins are aquatic animals that tend to have great camouflage because they sometimes carry algae and rocks on their shells.
Learn more about camouflage at: brainly.com/question/10913375
Answer:
classification like student and teacher?
Explanation:
Answer:
<h2> "Archaea are older organisms than eukaryotes"
</h2>
<h2>
Explanation:</h2>
Archean are group of organisms classified under the domain Archae bacteria. They are found in environments with extreme conditions e.g.
high temperature etc.
They are prokaryotic in nature i.e. they do not possess a membrane-bound nucleus in their cells.
Based on this, archaea are not classified under the same domain as bacteria (domain- protista). They are unicellular organism, archaea are older set of organisms than eukaryotes.
The answer is D. Hope it helped. :)
