An endangered species is a type of species in which this type of organism has decreasing numbers and are dangerously close to going extinct. Invasive species are species in which an organism invades an environment where it is not native to, and take over the ecosystem. Local species are species in which the organism is native to that environment and plays a key role in that ecosystem. A keystone species is a species in which the organism is a key part of that ecosystem to thrive; without it, the ecosystem would collapse
the answer would be true because you eat more toxins the higher you go
the answer is a because if the model is based on experimental data it wont be good unless it has been tested.
Explanation:
A- meiosis
B- zygote
Cell B is described as diploid cells because two haploid cells n(40) fuses together to form diploid cell 2n(80)
