The Octopus
How does the author develop the idea that octopuses might live in Church Copse?
A. by explaining that the scientists uncovered many brown glass bottles
B. by stating that the scientists found little caves in dead coral
C. by stating that the scientists chose a location with a high population of clams and crabs
D. by explaining that the scientists noticed coconut halves lying on the sea floor
C. by stating that the scientists chose a location with a high population of clams and crabs
Can sharks sense fear in you?
There is no scientific evidence that sharks can smell fear in humans or any other animal. However, when near sharks in the water, it is wise that you do not panic as sharks can detect the heartbeat of their prey
Why is it called a killer whale?
Orcas are called "killer whales" due to their reputation as apex predators and their history of hunting larger whales.
How long can an orca stay underwater?
Orcas (killer whales) can typically hold their breath underwater for 5 to 15 minutes.
What is a sea voyage?
Sea voyages refer to the long-distance journeys undertaken by ships across oceans and seas.
2. How does the author best support the claim that octopuses are intelligent based on what they do?
A. The author states that the octopus’s brain is the largest of any invertebrate.
B. The author cites how many neurons are in an octopus’s brain and arms.
C. The author explains that the octopus’s boneless body allows it to squeeze through small openings.
D. The author summarizes a study where octopuses learn and remember people’s faces.
A. The author states that the octopus’s brain is the largest of any invertebrate.
What is the #1 deadliest shark?
Great White Shark
Are killer whales friendly to humans?
In general, killer whales (orcas) are not considered friendly to humans in the wild, and there is no evidence of them actively seeking out or attacking humans. While they can be curious and sometimes approach boats or divers, they are not known to view humans as a prey source or a threat.
How long can an orca stay underwater?
Orcas (killer whales) can typically hold their breath underwater for 5 to 15 minutes.
What is the depth of the bottom of the deepest ocean?
The deepest part of the ocean is Challenger Deep, located in the Mariana Trench in the western Pacific Ocean
3. What does the word venom mean as it is used in the passage?
A. virus
B. germ
C. poison
C. poison
What is the largest shark ever found?
Whale Shark
Is it safe to swim with an orca?
Yes, orcas are highly intelligent mammals and can sense similar intelligence from humans.
Can a great white out swim an orca?
Killer whales are stronger, bigger, smarter, and can swim faster than great white sharks. So, while great whites are dominant predators, they're outmatched by the orca. There's even footage of an orca hunting and killing a great white
Did NASA stop exploring the ocean?
NASA has not stopped exploring the ocean.
4. Which sentence best states the central idea of the passage?
A. The octopus is a very smart sea creature.
B. The octopus stays tidy by stacking clam shells and crab claws.
C. An octopus learns how to open a clear cube when a crab is inside.
D. An octopus uses its radula to drill holes in clam shells to eat its meal.
A. The octopus is a very smart sea creature.
Will sharks eat you if they see you?
Attacks are extremely rare and people are rarely consumed by sharks. A shark is capable of eating someone if it wanted to, but it often doesn't.
What is an orcas biggest enemy?
Orcas are apex predators, meaning they are at the top of the food chain and generally have no natural predators.
Why did orcas wear salmon hats?
It is high food availability and social interactions within the pod.
Which ocean is the shallowest?
The Arctic Ocean is the shallowest ocean in the world. Its average depth is 3,953 feet (1,205 meters).
5. How does an octopus hide in plain sight?
A. by squeezing itself through a tiny hole
B. by surrounding itself in a dark cloud of ink
C. by changing colors to match its surroundings
D. by releasing many blobs of ink to resemble other octopuses
C. by changing colors to match its surroundings.
What are sharks afraid of?
dolphins and orcas
Who is smarter, dolphin or orca?
While both dolphins and orcas are highly intelligent marine mammals, bottlenose dolphins are generally considered to be more intelligent than orcas, particularly in terms of specific cognitive abilities and problem-solving skills.
How many orcas are left in the world in 2025?
In 2025, an estimated 50,000 killer whales, or orcas, are believed to exist globally.
Can we go to the very bottom of the ocean?
These vessels use thick hulls and advanced materials to keep the pressure at bay, allowing researchers to reach depths of up to 14,000 feet (4,267 meters). However, even the most robust submersibles can't withstand the pressures found at the very bottom of the ocean.