Answer:
Scientists are perhaps some of the smart few that make up the human population and are never short on knowledge. They research and discover and conduct tests to gain more knowledge, but the answer to your question is stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores, and scientist know this because of their research.
Explanation:
H20+Sunlight+CO2=C6H12O6
^ ^ ^
Water Carbon Dioxide Glucose
Answer:
New species can appear gradually through small changes in an ancestral species.
Explanation:
The new species that appear are due to hereditary variations that occur in a population. The adaptive variations are said to confer a selective advantage to organisms possessing them. The result of variations is that well adapted individuals are able to survive and reach the reproductive age and pass over their favourable characteristics to their offspring.
Answer:
True
Explanation:
All living organisms have DNA which stored their genetic information.This genetic material may show a minute variation, but very similar in compositions. Therefore all organisms share common ancestry.
Answer:
1: I believe there are 8 (not sure but it’s no more than 8)
2: Sparrow hawk
Why? The sparrow hawk is getting its energy later in the web meaning that most of the energy has been used by other organisms