Phytoplankton form the base of a pelagic marine ecosystem.
Answer: Always and always
Explanation:
Within any large animal population there is always a variety of traits seen in the population. When there is a large number of individuals in a population then there are chances that there a genetic diversity.
Sexual reproduction in the organism can lead to the genetic variation in the organism. There are chances to have more variation in the population having more organism.
Two different organism are genetically different and there are variety of traits seen in the two animals that belongs to different species.
Answer:
It contains thousands of nerve endings that make it an extremely sensitive organ. Touch stimulation of the nerve endings in the produces sensations of pleasure.
Explanation:
he outer core of the Earth is a liquid layer about 2,260 kilometers thick. It is made of iron and nickel. This is above the Earth's solid inner core and below the mantle. Its outer boundary is 2,890 km (1,800 mi) beneath the Earth's surface.
Answer:
Antlions experience competition when they are still larvae and looking for food or prey intake. It is called the shadow competition in where the pits are located in the upstream that can block the path of the prey thus the ones in the downstream will have less prey intake.