Answer:
d. All of these
Explanation:
A synaptic cleft or synaptic gap is formed during synapsis. It is a gap between membrane of a axon end bulb and a membrane of a target cell. The target cell can be a muscle cell, a neuron, a gland. The membrane of a axon is called pre-synaptic membrane and membrane of a target cell is called post-synaptic membrane and the space between two membranes is called synaptic cleft. Through the synaptic cleft impulse is transmitted with the help of neurotransmitters such as acetylcholine.
Answer:
A
Explanation:
In such an isolated ecosystem, there is usually an autotroph species that coverts the abiotic elements in the environment to biotic elements. In a hydrothermal vent, it is likely that there are some chemoautotrophic bacteria that covert the sulfur and other chemicals in the water into organic molecules. This energy is then transferred up the food web in the closed ecosystem. In such an ecosystem, even the waste product of one life form may be utilized by another species.
I think it is C
Hope this help some
Answer:
Temperature, moisture, topography, elevation, soils, hydrology and disturbance.
Explanation:
Temperature, moisture, topography, elevation, soils, hydrology and disturbance are the factors that impact North Carolina ecosystems. Pollution, urbanization and invasive species inversely affected the ecosystem of North Carolina. Industries produces harmful gases that causes pollution as well as make the rainfall acidic which adversely affected the infrastructure as well as plants and animals. The introduction of invasive species also has a negative impact on the plants and animals of that ecosystem.
A certain gene is only used for certain functions, and if that gene is always going, your body cant turn certain functions on and off, which can ultimately lead to a lot of health problems.
