A. The height of your back legs will probably not change throughout the experiment, but your jump height may so you will add each of the jump heights together and divide by the amount of times jumped. Hope this helped
1. Amphibians has moist slimy skin meanwhile fish has scales.
2. Fish uses gills for breathing, but amphibians are different. Young ones uses gills, but adult amphibians uses lungs and even skin for breathing.
Examples of amphibians include frogs and toads.
Both fish and amphibians are one of the 5 types of vertebrates under animals. Besides fish and amphibians, other vertebrates includes mammals, reptiles and birds.
Answer:
a.they work together to allow gas exchange
Explanation:
the trachea helps transport air to the lungs, the lungs fill with air, finally the alveoli convert the oxygen to the bloodstream
Answer is D
hope this helps:)sorry if it doesnt
brainliest plzzzzzzzz
A. an open circulatory system
Explanation: In an open circulatory system, the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemocoel
