Phylum Porifera
The phylum Porifera ("pore-bearing") consists of approximately 5,000 species of sponges. These asymmetrical animals have sac-like bodies that lack tissues, and are usually interpreted as representing the cellular level of evolution
Answer:
is d. The bacteria have high genetic variability and high reproductive rates.
Explanation:
Answer:
Provision Services
Explanation:
A provisioning service is any type of benefit to people that can be extracted from nature. Along with food, other types of provisioning services include drinking water, timber, wood fuel, natural gas, oils, plants that can be made into clothes and other materials, and medicinal benefits.
Parasites are organisms that survive by harming anouther organism (feeding off of it, ex. tick, flea)
