The organism that was most likely to live at the same time as brachiopods were
Trilobites
Answer:
an animal of the large phylum Chordata, comprising the vertebrates together with the sea squirts and lancelets.
Explanation: That is the definition of a chordata.
Answer:
DNA floats free within the cytoplasm and is not enclosed within a nuclear envelope, whereas eukaryotic DNA is enclosed in a membrane-bound structure known as the nucleus.
People with two copies of the sickle cell gene have the disease. People who carry only one copy of the sickle cell gene do not have the disease, but may pass the gene on to their children. Abnormal hemoglobin, called hemoglobin S, causes sickle cell disease (SCD). The problem in hemoglobin S is caused by a small defect in the gene that directs the production of the beta globin part of hemoglobin. This small defect in the beta globin gene causes a problem in the beta globin part of hemoglobin, changing the way that hemoglobin works.
