A energy barrier must be overcome.
Answer: 0
Explanation: Because there are three circles which shows females and zero square which shows males.
The Sun provides energy for the plants (producers) to grow. Herbivores (primary consumers) then eat the producers for energy. Any animals that eat the herbivores are considered secondary consumers. As this cycle continues, energy is lost to the environment as heat.
Answer:
Primary succession takes longer than secondary succession because soil needs to be created. Soil is already present in secondary succession. ... lichens and erosion help break down the rock to form new soil.
Explanation:
Answer:
opposite/hypotenuse
Explanation:
SOHCAHTOA method, shows that sine is Opposite Hypotenuse.
