The tundra biome has permafrost
Answer:
Please find the complete paragraph below; the missing words are inputed in bold.
Explanation:
One of the most important bioethical issues facing us today is the issue of _____EXTINCTION____or a loss of biodiversity
2. Defined as variation of life on Earth __BIODIVERSITY___is the number and relative abundance of different __SPECIES__.
3. It is estimated that there are as many as __8.7 million__ species in the world though as few as __2.3 million_have actually been identified.
4. As the human population grows and demands more resources, ___BIODIVERSITY_ is threatened.
5. Human activities contribute to habitat loss, especially in the world's coral reefs and tropical rain forests. As a result, some organisms face __EXTINCTION_or the death of their species
6. The growth of the __HUMAN___ population has destroyed up to 25% of _BIODIVERSITY__ and threatened another 30% statistics are similar for __ECOSYSTEM___ .
7. Humans also face __NEGATIVE___ consequences in that we are dependent on the ecosystem we are destroying for everything from food to raw material.
Answer:
B. Cartilaginous fish
Explanation:
Sharks have a cartilaginous skeleton. Cartilage is less dense than bone which allows sharks to move quickly through the water without using too much energy.
Answer:
Eventually, the environment will be unable to support the production of wildebeests, this will cause there to be a loss of vegitation that then causes a food shortage, and then the wildebeests will starve.
Explanation:
It's a very unhappy process, but those herds who don't migrate to another pasture will starve and die. The death will depopulate the savanna and give the fields some time for regrowth and the cycle will begin again.
Hope this helps! :)
