Answer:
Hitched a ride or Humans brought it and planted it.
Explanation:
Many scientists never wear a lab coat at all. Some work in fields that don't require lab work and do their work behind a computer. Some use their science degrees to teach or write about science. Some work as consultants for companies, or as editors for scientific journals.
Answer:
e) Invertebrates lack a nervous system
Explanation:
One of the main characteristics of invertebrates is that they don't have a backbone. Backbones belong to the skeletal system. A totally different story is the nervous system which runs inside the backbone. Although the more complex nervous systems appear in vertebrates the simply fact of having eyes like crabs or insects implies having a nervous system that can control them.
Y is the best options because a secondary consumer will eat a primary consumer for energy (the grass hopper).
Answer:
in anaphase.
Explanation:
during which each chromosome's sister chromatids separate and move to opposite poles of the cell.
