Mitotic spindles are microtubule-based structures that separate chromosomes during mitosis. So the cell would lack structure.
Answer:
many
pollution by dumping chemical that are harmful to the animals
littering by plastic
accidentally introducing invasive species
over fishing
it lowers the biodiversity of the aquatic ecosystems living there
Explanation:
Answer and Explanation:
Consists of the brain and spinal cord
- central nervous system
Consists of the nerves outside the brain and spinal cord
-peripheral nervous system
Collects information from sensory organs
-peripheral nervous system
Processes information from sensory organs-central nervous system.
The CNS is made up of the brain and the spinal cord. The PNS consists of nerves, which link the CNS to various receptors and effectors.
Anxiety, overexcitement, inability to focus, poor coordination, and shaking are common side effects of substance abuse. The class of drugs includes cocaine, nicotine, ecstasy, and amphetamines.However, any drug when used that can cause euphoria or feeling “high” can become a drug of abuse.
