What can exploring the ocean depths help us discover?
How do coral reefs contribute to the marine ecosystem?
How do mother whales take care of their calves to ensure survival?
True or false? Marine animals communicate with each other through various sounds and body language.
Why do deep - sea creatures need to adapt to extreme conditions?
Swimming in the ocean really _______ on a hot summer day.
refreshing me
refreshed me
refresh me
refreshed my mind
To thrive in the changing ocean environment, some species have to _______ their hunting strategies.
adopt
adjust
adapt
acquire
The female sea turtle and her _______ return to the same beach for hatching.
hatchling
hatchlings
hatching
hatched
Many fish populations are declining due to a lack of _______ in their habitats.
food sources
oxygen
space
sunlight
The Amazon River is one of the most important waterways in the _______.
natural water system
nature water system
naturing water system
natural waters
您对海洋在地球生态平衡中的重要性的评分是？（范围1 - 10）