Answer:
Thymine is replaced by uracil
Answer:Algae contributes to the phosphorus cycle
Explanation:Algae are organisms which have distinct chlorophyll and are autotrophic in nature .Most of them live in water.Algae include the Unicellular chlamydomanas and the multicellular sea weed.some algae are colonial and some are filamentuous.Algae possess chlorophyll, carotenoids and phycobillins as pigments.
Algae are important primary producers in the water bodies and produces a significant portion of oxygen.
Some algae eg diatoms are fossilized due to their glass cell wall and are known as diatomaceous earth, which has various uses such as abrasives,tooth paste and as filters.
Red algae produces calcium carbonate which forms coral reefs.
The products of some algae are used as solid gels and source of agar for microorganism culture.
update >:(
never mind. after an hour of work in the hopes of some points, a moderator deleted my answer. how fun for me.
in all honesty i understand why though
What are three freshwater environments?
1(Rivers
2(Lakes
3(Streams
Answer:
ribosomes
Explanation:
thye produce the things needed for the cell membrane
