The correct answer is option C, that is, the presence of the nuclear membrane.
Cyanobacteria is a phylum of bacteria that attain their energy via the process of photosynthesis, and are the only photosynthetic prokaryotes possessing the tendency to generate oxygen. As a prokaryote, they are devoid of the nuclear membrane.
Euglena refers to a single cell flagellate eukaryote. It comes under the class Euglenoidea. The species of Euglena are witnessed in salt water and in freshwater. Being a eukaryote, they possess nuclear membrane.
Secondary succession occurs after the initial succession has been disrupted and some plants and animals still exist. The disruption occurs afer an event like a forrest fire or hurricane destroys the forest.
Explanation:
i can't see what u wrote can u please send a pic or something and like an example
Extinction is a natural process that may be caused by natural selection, shortage of food or natural calamities. Hunting, deforestation, pollution, the conversion of uncultivated areas into pastures, the illicit trade of wild animals as well as climatic changes have made life more difficult for many animals.
Answer:B
Explanation:
Acute panic attacks are usually extreme period of fear and includes fast heartbeat rate, sweating and low breath. They are usually caused by nothing in particular and studies says it is hereditary.
The palpitation is a result of increased heart rate in which the heart beats faster.
The decreased respiratory rate causes the shortness of breath when this usually happens.
