Answer:
The reason why oxygen was absent from Earth's early atmosphere is excess heat converted atmospheric oxygen into other gases. Therefore, the correct answer to the above question is option A.
Explanation:
Oxygen is a most abundant gas of the atmosphere. Oxygen occupies 21% of the total share of the gases that is present in the atmosphere of earth. All the living animals and aquatic animals take oxygen for their life to happen.
Green plants are the only source of conversion of carbon dioxide into oxygen. Oxygen is carried in human body by the blood throughout the whole body. Due to the presence of oxygen in air are very animals and plants living on the earth
Electrons have a negligible mass so near to nothing
Answer:
Explanation:
These reactions occur within specialised membrane discs within the chloroplast called thylakoids and involve three steps:
Excitation of photosystems by light energy.
Production of ATP via an electron transport chain.
Reduction of NADP+ and the photolysis of water.
2. detritivores are decomposes because they consume other material to break it down.
3. need to see the image on p.591 to answer but a producer is a type of plant that supplies energy to a first level consumer, a detritivore would be a type of fungi that is pictured because fungi break down materials.
4. the first box is mutualism. second box is commensalism. third box is parasitism.
I am pretty sure those are Merocrine glands
and on a side note...eww
