prokaryotic cells do not have a nucleus.
<span>The trilobites seen in this image was once found widespread in the ocean. Something Changed To Limit and finally abolish their success. What do scientists use this example as proof of ? The answers are A. life changes over time and B. Vesitigial organisms once had a function in ancient times.The trilobites first appeared in the Cambrian period and though they entered a decline int the Devonian period, some of them survived until Permian time or for a period of 270 million years. They were divided into 3 segments and were early examples of arthropods. They tended to live on or near the bottom of the oceans and were scavengers in part and as well as living on the ocean floor some swam and fed on plankton. </span>
Answer:
Diagnostic Medical Sonographer
Explanation:
A diagnostic medical sonographer is someone who uses special imaging equipment that directs sound waves into a patient's body
<span>The newborn infant crying whenever it needs something like there diaper changed, there hungry, there tired, they want to be held etc. Is a infants only way of communicating with there caregiver while in the perlinguistic Stage. Some may characterize it as annoying.</span>
Answer:
yes the above statement is true.natural selection is not dis credit.
Explanation:
In order to support my answer we just take an example of mutation in an organism as the mutation in organism occur and is useful for the survival of the organism we called the mutation as the good mutation. Thus it is true that some mutation that cause disease and is disadvantageous for the survival of organism. Albino is a case studied here which is abnormal skin color and the skin color as the advantage to camouflage in the surrounding and the organism which can not camouflage will not survive properly because the can not protect them from the predator.
