Answer:
The answer is an endangered species.
Explanation:
Paddlefish are now listed as a Texas threatened species and it is illegal to catch, kill, or harm a paddlefish in the state’s waters.
Answer:
C
Explanation:
Ecological relationships exist between organisms in an ecosystem. MUTUALISM is one of these ecological relationships in which both organisms involved benefits from the relationship. It usually occurs in a way that the actions of one favors the other.
In this example, the bees feed on nectar produced by the flower a plant and carries pollen along when it feeds on the nectar produced by the flower of another plant. The bees are getting fed, thanks to the plant, while the plant is getting cross-pollinated, thanks to the bee.
Answer:
Just start by writing out a chart. Like, sun supplies grass, grass helps bug, and so on :)
The presence of vertebral column or notochord at any stage of life in any organism is the characteristic of vertebrate.
Explanation:
An animal is vertebrate if it fulfils the following criteria:
Presence of vertebral column or notochord.
Presence of endoskeleton or backbone.
The spinal cord runs above the vertebral column.
Humans embryo has notochord which becomes a vertebral column.
The alimentary canals end in the anus.
Mouth is present ta the anterior side of the vertebrate.
Have legs, fins or wings for movement.
Presence of a nervous system and sensory organs.
Presence of skin, lungs or gills.
Presence of a circulatory system.
Vertebrates include fish, amphibians, reptiles, birds and mammals.
