Between each level of the food chain, approximately ninety percent of the energy is lost, and only ten percent of the total energy is transferred from the food source to the consumer for use.
Answer: I believe it is A. DNA polymerase checking the DNA
Answer:
Amount of sugar
Explanation:
An experiment has an experimental variable and a control variable. The amount of sugar is experimental variable in the give experiment. Here, boiling point of sugar solution would change in accordance to changes in the amount of sugar. Amount of water serves as control variable and is kept constant throughout the experiment.
Agglutinins is a antibody or other substance that causes particles to coagulate from another more thickened mass.
They are like security guards in that, they are very slow and lazy so to speak.
Answer:
D. all of the above
Explanation:
Australopithecus (first ape-man): Australopithecus is considered as the connecting link between apes and man as they shared the characteristics of both. The fossil records shows that they appeared around 5 million years ago. <em>Australopithecus africanus</em> was about 1.5 meters high and had human as well as ape like features. It was with bipedal locomotion, omnivorous in their diet and had erect posture. It had human like teeth with small canines and large chewing teeth. The brain was more like an ape with the brain capacity of about 500 cc similar to that of an ape. He lived in caves, had projected brow ridges with no chin. Its believed that <em>Australopithecus africanus</em> gave rise to <em>Homo habilis</em> about 2 million years ago.
The earliest species of Homo genus is <em>Homo habilis</em>. They were skill full man also called as handy man or the tool maker. He had erect posture with bipedal locomotion. The teeth were like modern man. He was skilled and made tools with stones. Slowly with evolution the prognathous face changed to orthognathous in cro magnon (<em>Homo sapiens fossilis</em>).
