Biology, 18.05.2021 19:10 oliviacalhoun29
Scientist have discovered many fossils of dinosaurs. However, they have
not discovered any dinosaur's fossils in rock layers that are younger than
65 million years old. What conclusion can be drawn from this evidence?
Answers: 1
Biology, 22.06.2019 07:00
According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously
Answers: 2
Biology, 22.06.2019 11:00
Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens
Answers: 1
Scientist have discovered many fossils of dinosaurs. However, they have
not discovered any dinosaur...
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