Answer:
d
Explanation:
organisms are made up of cells
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.
Answer:
Realized niche
Explanation:
Realized niche:
is a set of conditions used by specie after interactions such as competition, predation etc with other species. It can aslo be defined as the actual range of habitats occupied by a species
The answer is B. Speed up chemical reactions. Hope this helps.