Which statements describe the fossil record? check all that apply.
there is very little fossil evidence for the first 4 billion years of earth.
there is very little fossil evidence for the last 600 million years of earth.
most of the fossil evidence is from the first 4 billion years of earth.
most of the fossil evidence is from the last 600 million years of earth.
the fossil record is complete.
the fossil record is not complete.

explanation:

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the abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. the region occupied by the abdomen is termed the abdominal cavity. the stomach secretes acid and enzymes that digest food. ridges of muscle tissue called rugae line the stomach. the stomach muscles contract periodically, churning food to enhance digestion. the pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: