penguins need oxygen to breathe under water. For most species of penguins, the average underwater dive lasts 6 minutes, since most of their prey resides in the upper water levels. However, the Emperor Penguin feeds on squid, fish or krill that reside deep under water, so this species of p...
How do amphibians get oxygen through the skin? Do amphibians eat fish? Are flying fish amphibians? Are ghost frogs amphibians? Are amphibians marine animals? What respiratory system do amphibians use? Are horned frogs amphibians? Can amphibians be in snow?
Cold water holds more oxygen than warm water, and frog can breathe through their skin.Every type of insect(昆虫) has its own life cycle and that is the way it grow and changes. Different insects spend the winter in different forms of their lives.Some insects also spend the winter without...
Sponges are animals that belong to the phylum Porifera, which means "pore-bearing." Sponges breathe by moving water through pores, called ostia, which cover their body. Sponges respire through a process called diffusion. Simple diffusion is where chemicals, like oxygen and carbon dioxide, ...
Over half the oxygen that animals breathe (7)___ (come) from small oceanic plants called phytoplankton.These plants also absorb large amounts of CO2.They are also a key source of food-for a lot of sea animals. Today,many dangers threaten (威胁) the health of oceans.Plastic pollution...
Crustaceans breath through gills, an organ of the crustacean respiratory system that extract oxygen from water. What are Crustaceans? What are Crustaceans? Crustaceans are a kind of arthropod. Arthropoda is the phylum, or wider classification group, given to animals with exoskeletons, jointed legs an...
To breathe in oxygen, the roach's tergo-sternal muscles relax, causing the pressure within the insect's body cavity to decrease. This decrease in pressure prompts the spiracles located in the abdominal region to close while the thoracic spiracles open. The oxygen comes in through the thoracic ...
Do all amphibians breathe through their skin? Do seed plants have vascular tissue? Can plants and animals live on mudflats? Do amphibians produce oxygen? Do phytoplankton use phosphorous? What do plants need to survive? Does water have carbon dioxide?
Water makes good protection for many animals. When the weather gets cold, they move to the bottom of lakes and rivers. There, frogs and many fish hide under rocks or fallen leaves. Cold water holds more oxygen than warm water, and frogs can breathe through their skin. Every type of ...
Cold water holds more oxygen(氧气) than warm water, and frogs can breathe through their skin.Every type of insect has its own life cycle and that is the way it grows and changes. Different insects spend the winter in different forms of their lives. Some insects also spend the winter ...