What is the hardest natural science?
However, the general consensus among students and teachers is that chemistry is the hardest A Level science In some senses it combines the sheer amount of content in biology with the mathematical skills required for physics, which can often be seem daunting to some student
What would be the weakest distinction for life?
Kingdoms are large taxonomic groupings, but domains are even larger heterotrophs If you observed a newly discovered ‘thing’ and tried to decide if it might be alive, what would be the weakest distinction for life? Protista, Fungi, Plantae, and Animalia
Can the scientific method be used to answer questions about immaterial and philosophical issues?
The scientific method cannot be used to answer questions about immaterial and philosophical issues
What did Charles Darwin predict after observing the 11 inch?
What did Charles Darwin propose after observing the 11-inch-long nectaries of the Angraecum sesquipedale orchid in Madagascar? Darwin observed an orchid flower with petals arranged in very long, thin tubes, rather than broad and flat, as we might see in other common flowers
What is the advantage to the Madagascan orchid?
What is the advantage to the Madagascan orchid of having an 11-inch long nectar tube? It can be pollinated easily only by the moths with long tongues
Do moths eat orchids?
Caterpillars, the immature stages of moths and butterflies, can do significant damage to orchid plants Caterpillars can destroy not only flowers, but soft leaved orchids as well
What happens when a moth has a proboscis that is much longer than the orchid’s nectar spur?
If the orchid has a longer nectar spur, it is more likely to be pollinated If the moth has a longer proboscis, it is more likely to have the ability to eat the nectar at the bottom of the long pollen tubes allowing it to live long enough to reproduc
Which is the best example of emergent properties?
Examples of emergent properties include cities, the brain, ant colonies and complex chemical system
At what level does life emerge?
The highest level of organization for living things is the biosphere; it encompasses all other levels The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere
What was the first living thing on earth?
prokaryotes
How did early humans avoid inbreeding?
Early humans seem to have recognised the dangers of inbreeding at least years ago, and developed surprisingly sophisticated social and mating networks to avoid it, new research has foun
Did cavemen really use clubs?
In the past century, it’s become natural for cavemen to carry cartoonish clubs, thin on one end, bulbous on the other (Even the Lego caveman has his own Lego club) There’s little evidence that clubs were ever a weapon for ancient humans; that they carried these weapons is little more than inferenc
Did cavemen eat raw meat?
Still, the fossil record suggests that ancient human ancestors with teeth very similar to our own were regularly consuming meat 25 million years ago That meat was presumably raw because they were eating it roughly 2 million years before cooking food was a common occurrenc
Did cavemen really live in caves?
The stable temperatures of caves provided a cool habitat in summers and a warm, dry shelter in the winter Approximately years ago, some Neanderthal humans dwelt in caves in Europe and western Asia Caves there also were inhabited by some Cro-Magnons from about years ago until approximately BC