Science Video Response - Day 6

What is considered the most common way for living things to exist on Earth?

• Free-living

• Parasitism

• Symbiosis

• Predation

Why has the study of parasites been less focused on by scientists compared to other organisms?

• Parasites are too small to study easily.

• Scientists are mainly interested in getting rid of them.

• Parasites are not very important to ecosystems.

• There are too many different types of parasites.

In many science fiction stories, what is a common negative effect of parasites on their hosts?

• They cause the host to grow larger.

• They make the host invisible.

• They take control of the host's mind.

• They give the host special powers.

What animal is the final host for the green-banded brood sac worm in its life cycle?

• Snail

• Bird

• Human

• Fish

Which type of parasite is known to live in the host's gut and consume their nutrients?

• Leeches

• Nematodes

• Tapeworms

• Oxpeckers

How can the Aphidius ervi parasite be beneficial in agriculture?

• It helps plants grow faster.

• It attacks pests that damage crops.

• It makes the soil more fertile.

• It provides food for farm animals.

What potential medical benefit are some researchers exploring by infecting humans with helminths?

• Boosting energy levels

• Improving vision

• Reducing allergic reactions

• Strengthening bones

What kind of relationship does the Remora fish have with the larger animal it attaches to?

• Mutualism (both benefit)

• Parasitism (one benefits, other is harmed)

• Commensalism (one benefits, other is unaffected)

• Predation (one hunts and kills the other)

What is the primary food source for Red-billed Oxpeckers when they are on larger animals?

• The animal's skin

• The animal's fur

• Ticks that have fed on the animal's blood

• Small insects flying around the animal

How can the Red-billed Oxpecker's relationship with its host animal sometimes be harmful to the host?

• They eat too much of the animal's food.

• They make the animal sick with diseases.

• They peck at wounds, preventing them from healing.

• They attract more predators to the animal.