Answer:
there were only anaerobic heterotrophic bacteria (the primordial atmosphere was virtually oxygen-free).
It’s true (a) because bones become brittle and easier to break if theyre not used. bones more frequently used become stronger.
Answer:
I- this question lol hmm I think they use soap cuz why waste money on shampoo.
The answer is false.
Monocytes do not secrete antibodies. Monocytes are a type of leukocytes which are made in the bone marrow and travel through the blood to tissues where can be differentiated into macrophages and dendritic cells. Functions of monocytes are:
<span><span>· </span>phagocytosis,
</span> <span><span>· </span>antigen presentation,
</span> <span><span>· </span><span>cytokine production.</span></span>
Fungi are heterotrophic. They get their nutrition by absorbing organic compounds from the environment. Fungi, along with bacteria that are found in soil, are the primary decomposers of organic matter in terrestrial ecosystems.
