Answer:
the concentrations of salt water because its being controlled by the scientists.
Explanation: the iv= between the control and expariment.
dv= data or out come
constant+ not changed at all
<span>The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species, the sudden death of some species, natural hazards or man-made causes.
if biodiversity reduce so ecological balance also disturbe because ecological balance formed by biodiversity that are animals and plants.</span>
Answer:
fossils provide solid evidence that organisms from the past are not the same as found today.
Explanation:
Hope this helps!!!!!
The first one is C. Varying in shapes of forelimbs
The second one is B. Enable members of a phylum to survive and reproduce.
The third one is B. Deuterostome development
Both humans and monkeys have this. A VERY long time ago Humans had very small "strings" of skin. This skin has evolved over time and now there is a bone left. Monkeys are technically un-evolved humans. Good thing they stuck around.
