I believe the term for two similar chromosomes would be homologous chromosomes.
Answer:
Disruptions to any physical or biological component of an ecosystem can lead to shifts in all its populations. Biodiversity describes the variety of species found in Earth`s terrestrial and oceanic ecosystems. The completeness or integrity of an ecosystem`s biodiversity is often used as a measure of its health.
Explanation: Disruptions can really mess with any physical or biological component of a ecosystem then that ecosystem leads to shifts in all populations. I hope this answer helps you!
Viruses have not a nucleus, but they have viral DNA that they can transplant into other healthy cells to infect them.