<span>A prokaryote is a unicellular organism that belongs to either the domain Bacteria or the domain Archaea. Therefore, unlike a eukaryote, the prokaryote lacks in a nucleus and other organelles. The first organisms that appeared about 3.5 billions years ago were prokaryotes. They developed primitive forms of photosynthesis without oxygen as a waste. The first photosynthesizing prokaryotes appeared about 2.7 billion years ago which led to the changes in Earth atmosphere and consequently organisms dependant on oxygen could arise.</span>
Answer:
open cluster
Explanation:
As the name suggests, an open cluster is a star cluster that is loose and disorganized.
Native shellfish populations have dramatically decreased as they are outcompeted by the crabs, causing a decrease in biodiversity.
Nonvascula<span>r plants are </span>bryophytes<span>.
</span>these plants are small.
They not only lack vascular tissues
they donot have true leaves, seeds, and flowers. Instead of roots<span>, they have hair-like </span>rhizoids<span> to anchor them to the ground and to absorb </span>water<span> and </span><span>minerals
</span>liverworts, hornworts, and moss<span>es. are examples</span>
