The stronger survived and the weaker passed on... Those with a weaker immune system had trouble with sickness and usually ended up passing on but those with strong immune systems were stronger and healthier and lived.
Your body used the respiratory system (lungs)
Answer no copy paste
Homeostasis and thermoregulation
When temperatures are too low, these processes may be disrupted, which can lead to cellular damage and even death. Homoeothermic endotherms, such as bears, bats, and birds, regulate their body temperature by generating heat internally.
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Answer:
In biomes the species community undergoes certain changes in evolution and growth in order to reach the climax.
Explanation:
- An alternative stable state is one which suggests the discrete states are sperate by an ecological threshold and in opposition to the ecosystem that is changing and thereby stating that the ecosystem can exist in a variety of alternative state.
- The first species after origin grows develops and then declines. This community of species may be disturbed in middle such as by a fire or flood and forms the secondary community which is more diamine and resistant. The changes are known as seres in biomes.
