As population and density and competition increase, the death rate goes along with the positive curve so death rate increases.
So from what i have understood, <span>males have unlimited sperm and females have limited ovum. That's why, there is a different cost of reproduction for males and females.
Hope this helps !
Photon</span>
Answer:
The ecosytsem has a very fine balance. Each species is dependant on one another for food and population control. Introducing a new species such as the Cane Toad which has been introduced into Australia and Flordia and are extrmely invasive completly wipping out populations of Native species and are a huge problem. If you lose a population such as the wolves in yellow stone species such as elk will actually suffer from starvation and other issues due to lack of food etc because the wolves were not there for population control. But in some cases such as the wolves who were added back into Yellow stone it had a huge positive impact on species/populations.
Explanation:
Air and water create energy for a plant
