The period of human evolution has coincided with environmental change, including cooling, drying, and wider climate fluctuations over time. How did environmental change shape the evolution of new adaptations, the origin and extinction of early hominin species, and the emergence of our species, Homo sapiens? (‘Hominin’ refers to any bipedal species closely related to humans – that is, on the human divide of the evolutionary tree since human and chimpanzee ancestors branched off from a common ancestor sometime between 6 and 8 million years ago.)
How do we know Earth’s climate has changed? How quickly and how much has climate changed? One important line of evidence is the record of oxygen isotopes through time. This record of δ18O, or oxygen stable isotopes, comes from measuring oxygen in the microscopic skeletons of foraminifera (forams, for short) that lived on the sea floor. This measure can be used as an indicator of changing temperature and glacial ice over time. There are two main trends: an overall decrease in temperature and a larger degree of climate fluctuation over time. The amount of variability in environmental conditions was greater in the later stages of human evolution than in the earlier stages.
Answer:
People watching their team lose important games often make faces, yell at the screen, and demonstrate general agitation. Although they aren't playing the game themselves, they may be able to experience the frustration felt by the players because of mirror neuron activity in the brain.
Explanation:
The mirror neuron system (MNS) is a network in the brain that activates when individuals start moving their body parts and watch the activity of another individual or animal. After researchers have found the effects of the mirror neuron on monkeys, a wide range of studies have analyzed its network and attributes in humans and animals.
To declare independence and individual rights
If the majority party in the House is the Democratic party, then the C) speaker will be a member of the Democratic party.
Answer:
simple sentence
Explanation:
A simple sentence may be defined as the sentence that contains only one clause, and also a single subject along with a single predicate. A simple sentence always have an independent clause, which stands alone. Simple sentences do not have a dependent clause.
In the context, the given sentence is a simple sentence since it has a single independent clause and also a single subject and predicate.
