Answer:
Ecological succession
Explanation:
In ecology, ecological succession is described as a series of change in the structure or composition of an ecological community over a period of time. There are two types of ecological succession namely: primary succession and secondary succession.
Primary succession occurs on a barren land with no prior growth while secondary succession occurs in an area that has been colonized before but disturbed by an environmental hazard.
1. Electrons travel around the nucleus in fixed energy levels with energies that vary from level to level
2.protons, neutrons, and electrons have a mass, but electrons have far less mass
3.cations and protons
4. idk
Answer:
2
Explanation:
endosperm, embryo, seed coat
Answer:
C
Explanation: Genes are rearranged due to crossing over and offspring can vary in traits and appearance
