Answer:
Physical characteristics: Freshwater sponges are crustlike, branched, or clumped. The texture is fragile and soft, and the color is whitish or green. Freshwater sponges have irregularly scattered and barely visible water-exit holes.
Geographic range: Freshwater sponges live in North America, Europe, and Asia.
Habitat: Freshwater sponges live in standing and running fresh water.
Diet: Freshwater sponges are filter feeders.
Behavior and reproduction: Scientists know little about how freshwater sponges behave. These sponges reproduce asexually by forming buds in late summer that spend the winter in a dormant state and emerge from the adult in the spring. Freshwater sponges reproduce sexually during the summer, giving birth to live larvae.
Explanation:
Answer: They were most likely communicating with each other.
Explanation:When whales communicate they make sounds .This is called ecolocation
Cancer is the typical result of cell division
Answer: False
Tropic rain-forest resides within the tropic of cancer and tropic of Capricorn, there are also rain forest in temperate areas between the tropics of cancer and Capricorn .Tropical rain forest has hundreds of tree species but temperate rain forest have only about 10-20 tree species . Temperate rain forest mostly have most animal insect and reptile life at ground level but in tropical rain forest life spans from the ground to tree tops