Hag Fish and Lamprey
Vertebrates are the organism which posses a vertibral column(aka the spine or back bone structure), while the earliest had a head they lacked a spine and jaw, these jawless vertebrae lived 500-600 million years ago. they are the ancestors of bony fish which in time became amphibians and other groups of animals
Answer:
<h3>Maintenance of ionic balance.</h3>
Explanation:
Synovial fluid is a viscous fluid found in the cavity of synovial joints. In terms of appearance the synovial fluid appears clear
, Colorless (pale yellow)
, viscous, microbes free.
Synovial fluid has following functions in our body
a) shock absorption
b) nutrient distribution
c) lubrication of the articular surfaces
d) waste disposal
Answer: The atoms in a gas move at high speed.
The atoms in a gas spread in all directions.
A gas is a state of matter in, which atoms remains in a constant motion, they do not stick together. They are free and can move in all directions. The gas molecules expands to fill the available space. Hence, they can change shape and volume. The gas atoms being in a molecular state moves fast in high speed to break away from each other, to remain in a free state.
Tissues form organ and organ forms organ systems,then it’s a complete organism
