Since, it has a nervous system, blood vessels, and a long digestive tube is most likely a segmented worm.
<h3>What is a segmented worm?</h3>
Segmented worms have long tube-like bodies that are divided into segments.
They are the simplest organism with a true nervous system and blood contained in vessels.
They have a long digestive tube that runs down the length of the worm's inner body.
They can take in dissolved oxygen from the water through their skin.
Thus, a segmented worm has a nervous system, blood vessels, and a long digestive tube.
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brainly.com/question/970980
Answer : The Aerobic exercise improves the oxygen purifying capacity of lungs. So, one can breathe in more oxygen through inhalation and then more oxygen is transferred to muscles in the body, also carbon dioxide is given actively out of the body through exhalation. All these gives body more energy to perform daily tasks and stay fit and healthy.
The dependent variable is the data we collect during the experiment. This data is collected as a result of changing the independent variable.
Answer:
Because it is formed by rocky materials
Explanation:
These planets are small and of high density, mainly by transparent and rocky materials with a well differentiated internal structure and a similar size.
They tend to be more dense since it is formed of rocky and non-gaseous materials like the higher planets.
