Question

A student has compiled a number of sources for a research paper on jellyfish. Which statement most likely comes from a source that is credible? Select two correct answers.(1 point)
Responses

While jellyfish fossils are rare, the ones that have been found have been dated to over 600 million years BCE.
While jellyfish fossils are rare, the ones that have been found have been dated to over 600 million years BCE.

The smallest jellyfish are less than a millimeter in length, while the largest measure is about six feet in length.
The smallest jellyfish are less than a millimeter in length, while the largest measure is about six feet in length.

Jellyfish can sting humans, and their stings are some of the most painful a person can experience.
Jellyfish can sting humans, and their stings are some of the most painful a person can experience.

Jellyfish is eaten as a delicacy in some parts of the world, even though it tastes rather flavorless.
Jellyfish is eaten as a delicacy in some parts of the world, even though it tastes rather flavorless.

There are four classes of jellyfish, and they are known as Scyphozoa, Cubozoa, Hydrozoa, and Staurozoa.

Answer 1

- Jellyfish can sting humans, and their stings are some of the most painful a person can experience.
- There are four classes of jellyfish, and they are known as Scyphozoa, Cubozoa, Hydrozoa, and Staurozoa.

Brief why: both are factual, widely supported statements (box jellyfish and some other species cause extremely painful — sometimes fatal — stings; the four named groups are the accepted classes of medusa-form cnidarians).