Answer:
A
D
Explanation:
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Answer:
keystone species
Explanation:
Keystone species are indispensable species that are essential to the maintaining of the balance of an ecosystem, and also play a major role in the way species in the ecosystem interrelate. The absence or removal of a keystone species from a habitat or ecosystem would lead to the disruption and imbalance of the ecosystem, and as such lead to the extinction of other species.
An example of a keystone species is the bee. Bees are very important in pollination of flowering plants and also ensure their survival. This plants serve as home to various insects that are source of food to birds. The removal of bees from this ecosystem would affect the ecological balance of this ecosystem.
Answer:
B
Explanation:
competing for resources better helps the organism survive
Ribosomes are small particles that consist of RNA and associated with proteins that function to synthesize proteins. Proteins are needed for important cellular functions such as repairing damage or directing chemical processes. The nucleus is important for controlling gene expression and meditating the replication of DNA during the cell cycle. Hope this helps ;)
Answer:
we do not have the statements
Explanation:
The Pauli exclusion principle is the quantum mechanical principle which states that two or more identical fermions cannot occupy the same quantum state within a quantum system simultaneously.
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