During the research Ambulocetus would be the first to consistently stay in water and Set over time they developed feet arms and <span>hands used to swim.</span>
Answer:
changing environment
Explanation:
If the species fails to adapt, it will die off.
Answer: work must be done on the system
Explanation:
The second law of thermodynamics is the fundamental law of nature; it states that energy can be transferred from cold objects to hot objects only, if work is done on the system. If energy is added to the system then as a result the thermal energy would increase. Second law of thermodynamics is used to determine whether a process is spontaneous or not.
Answer:
The central nervous system contains the brain, which is the center of the nervous system, and the spinal cord, which coordinates simple reflexes.
Answer:
False
Explanation:
It is found that birds have evolved in the Mesozoic Era from a a group of theropod dinosaurs. the most close relative of modern day bird was supposed to be a primitive bird known as Archaeopteryx. In a recent study conducted by UCMP Berkeley, birds have common ancestors from the theropod lineage. More specifically, lizard-hipped dinosaurs are ancestors of birds.
Hence, the given statement is false
