The appropriate response is valid. Zero Population Growth is upkeep of a populace at a consistent level by constraining the quantity in live births to just what is expected to supplant the current populace.
I hope the answer will help you.
You could use solar panels for example as a way of getting energy for heating water, electricity, etc.
Answer:
The true statement is - Sympatric speciation only occurs in areas where there is local variation in environmental resources
Explanation:
- Sympatric speciation means the evolution of new species from an ancestor species which are occupying in the same area and no geographical barrier takes place.
- Overlapping of ranges takes place to the organism and old and new species are living i the same geographical region.
- A dam diving a fish population could lead to allopatric speciation where geographical barrier causes formation of new species which are completely different from their ancestor species.
The correct answers are:
a. bridges suspended almost 100 feet off the ground; to be able to walk among the top canopy of a rainforest means that bridges suspended of around 100 feet are required. This is due the fact that in the fierce competition of the trees in the rainforest for getting sunlight, some species manage to reach very big heights to overshadow their competition.
a. True; reclamation can restore an environment affected by mining and mostly return it to a state to be able to sustain its ecosystem. Even though it is not the most perfect method and there's still consequences to the ecosystem, still it is the best so far that manages to return the environment close to its initial shape. Unfortunately it is not a widely used method and the mining companies should definitely be forced to practice it much more.
