Answer: D. Gymnosperms
Explanation: The Gymnosperms ( also known as Acrogymnospermae) are a group of seed-producing plants in which the ovules or seeds are not enclosed in an ovary. Examples of Gymnosperms are spruces, firs, and ginkgoes and pines.
Answer:
B. neuroglia.
Explanation:
Neuroglia, also called glial cells are cells that support neurons structurally and functionally.
There exists two broad classes of cells in the nervous system which are:
- Neurons
- Glia
The neurons process information while the glia support the neuron mechanically and metabolically.
In general, there are three main types of cells that make up the nervous system including the above two.
Answer: I think it's A: the DNA of all organisms contains the same four bases.
Answer:
Negative impact.
Explanation:
There is a negative impacts of sprawl on wetland ecosystems because it destroys the habitat of thousands of organisms. Making laws to restrict housing in a wetlands and avoiding making houses on the wetland are the ways to protect wetlands from further decline. Human activities is the main factor that causes harm to wetland ecosystem so sprawl has adverse impact on wetland ecosystem.