Stigma, Stamen, Anthers, Ovary
It should be an igneous rock because it formed by the volcanoes lava cooling down
Remember that a biotic factor is a living component in an ecosystem that affects the population of another organism. So that means that the answer is B.
The spinal cord is located at the vertebral canal
Viruses are made of one or more nuclei acid molecules surrounded by a coat protein or capsid. So the core of the virus will contain the viral genome. Some viruses' capsid maybe enclosed with an envelope derived from the host cell (the cell that the virus is infecting), and this envelope is also derived from the host cell membrane.
