461 questions and answers in this section
Explain why birds repeat certain phrases that they hear?

Explain why birds repeat certain phrases that they hear?

Birds repeat phrases they hear because of their unique ability to imitate sounds from their environment. This ability to imitate sounds, including vocal sounds, is...

Read full answer

Explain why platypuses lay eggs.

Explain why platypuses lay eggs.

The platypus has a unique appearance, with a streamlined body similar to that of an otter and a wide, flat tail resembling that of a...

Read full answer

Explain why humpback whales jump out of the water when they hunt?

Explain why humpback whales jump out of the water when they hunt?

Humpback whales perform impressive jumps, also called breaches, which are among the most iconic and spectacular behaviors observed in these cetaceans. These jumps can consist...

Read full answer

Explain why lemurs only exist in Madagascar?

Explain why lemurs only exist in Madagascar?

Madagascar, this mysterious island nestled in the Indian Ocean, is home to a unique biodiversity in the world. Among its most emblematic inhabitants are the...

Read full answer

Explain why marine sponges are considered natural filter feeders.

Explain why marine sponges are considered natural filter feeders.

Marine sponges have an efficient filtration system for feeding. This system relies on their numerous microscopic pores, called ostioles, covering their body. These ostioles are...

Read full answer

Explain why jellyfish are transparent?

Explain why jellyfish are transparent?

Jellyfish are marine animals belonging to the cnidarian group, characterized by a bell-shaped body. Their body structure is composed of an outer layer called the...

Read full answer

Explain why male seahorses carry the eggs until they hatch?

Explain why male seahorses carry the eggs until they hatch?

Male seahorses carry the eggs because it is a unique characteristic of reproduction in this species. In fact, in seahorses, it is the male who...

Read full answer

Explain why migratory birds travel thousands of kilometers each year to change regions.

Explain why migratory birds travel thousands of kilometers each year to change regions.

Migratory birds travel long distances to find abundant food resources, avoid unfavorable weather conditions, escape predators, and find suitable breeding sites. Migration also allows them...

Read full answer

Explain why earthworms are so beneficial for the soil in our gardens.

Explain why earthworms are so beneficial for the soil in our gardens.

Earthworms contribute to the increase in soil fertility by promoting the decomposition of organic matter. Their activities of digging and ingestion help to break down...

Read full answer

Explain why do octopuses prefer to move backwards?

Explain why do octopuses prefer to move backwards?

Octopuses sometimes choose to walk backwards to escape potential predators or to defend themselves. This behavior can help them maintain a better view of their...

Read full answer