Dry areas with fishy fossils, were once below sea level, with lots of water and swimming animals. Over many thousands or millions of years, the ground level has changed dramatically.
Answer:
False.
Explanation:
Cell membrane is selectively permeable.
Could you be more specific? Through each consumption of an organism, the energy level decreases about 10%. For example, a producer has more energy than a secondary consumer.
The sign of good health in an animal is bright eyes.
Explanation:
The signs that usually is seen in a healthy animal, is its ability to stand straight and have a keen observation. The Animal will have bright alert eyes.
A healthy animal has quick movements. It gets up quickly if its sitting down. The respiration of the animal will be slow and regular.
The saliva will not be dripping from the animal's mouth. It will have a smooth and shiny coat and its nose will not have any discharge but remain dry.
Any sign of rapid breathing or dull inert eyes, etc means that the animal is not healthy and is sick. A healthy animal acts calmly and does not exhibit any anxious behaviour.
They each have different amounts of chambers. Fish have 2 chambers, and mammals have 4 chambers! Hope that helps!
