The Planets
The planet closest to the Sun.
What is Mercury?
The relationship where barnacles, which are small non-swimming, hard-shelled animals that live in the ocean, attach their bodies to the sides of a whale. The whale is not affected by the barnacle's presence, and floating food is made available to barnacles as the whale swims.
What is commensalism?
The order of the following organisms, fox, grass, fungi, rabbit, that use dead matter for energy, energy from the sun, energy from plants, and energy from other animals.
What is fungi, grass, rabbit, and fox?
The four rocky planets
What are Mercury, Venus, Earth, and Mars?