What conclusion did Darwin come to about organisms?
Offspring vary in their heritable traits. Based on these simple observations, Darwin concluded the following: In a population, some individuals will have inherited traits that help them survive and reproduce (given the conditions of the environment, such as the predators and food sources present).
What did Darwin observe about species on islands?
On these islands, Darwin observed species of organisms on different islands that were clearly similar, yet had distinct differences. For example, the ground finches inhabiting the Galápagos Islands comprised several species with a unique beak shape (Figure 1).
What did Darwin conclude about the finches on the Galapagos Islands that later supported his theory of evolution?
What did Darwin conclude about the finches on the Galapagos Islands that later supported his theory of evolution? The finches on the Galapagos Islands had different beaks. The beaks of the finches changed over time. The Galapagos finches had a common ancestor.
Are sandbar sharks dangerous?
Danger to Humans Due to its preference for smaller prey and its tendency to avoid beaches and the surface, the sandbar shark poses little threat to humans. Although it has been rarely associated with attacks on humans, its size makes it potentially dangerous.
Where do most shark attacks occur in Hawaii?
Clothing found was said to be consistent with shark bites. So as it stands, there have been 6-7 deadly shark attacks in Hawaii since 2004, with Maui being the deadliest island in Hawaii for shark attacks. Scientists say it’s not a coincidence that Maui sees more shark attacks.
Why are they called requiem sharks?
Some scientists attribute it to the French word for “rest (death)” which may refer to their impressive hunting skills, while others believe it is from the term “reschignier” which means “to grimace while bearing teeth.” Requiem Sharks are found all over the world and are one of the most studied and fascinating types of …
What does Requiem mean shark?
: any of a family (Carcharhinidae) of sharks (such as the tiger shark or blue shark) that are found in tropical and temperate waters, are usually gray to brown above and yellow to white below, have a rounded snout with bladelike teeth, and include some that have been known to attack people.