What is aquatic locomotion?
Q: What is aquatic locomotion?
A: Aquatic locomotion refers to animals and other organisms moving through water.
Q: Where did all major animal phyla start life?
A: All major animal phyla started life in the water.
Q: What are stromatolites?
A: Stromatolites are mat-like structures formed by photosynthetic bacteria in the sea and are the earliest fossils we have.
Q: Do animals that evolved on land always breathe air when they return to the water?
A: Yes, animals that evolved on land usually continue to breathe air even when they return to the water.
Q: What kinds of animals live in the water?
A: There are aquatic insects, reptiles, mammals, and birds.
Q: When did acritarchs first appear?
A: Acritarchs are present from about 3200 to 1400 million years ago to the present, but we cannot be sure when they evolved.
Q: Why is locomotion important for organisms in the sea?
A: Locomotion is important for organisms in the sea to find the right place, eat, and avoid being eaten. All advanced forms of life, and many primitive forms of life, use locomotion.
