The Answer is All of the above
D. both plants and animals need freshwater to live
Answer:
The correct answer is b. The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.
Explanation:
The oldest one of them all is the hematite tubes, that are dated about 3.77 billion to 4.2 billion years and it's from a yet unknown bacteria.
Answer:
The correct answer is - passive immunity - artificially acquired.
Explanation:
Passive immunity is the immunity that involves giving or acquiring antibodies from other sources instead of developing them on one's own. This type of immunity can be natural and artificial. Mother breastfeed the babies, is the natural passive immunity example as milk also contain antibodies required for immunity of babies.
Artificial passive immunity is the immunity that comes from injecting the antibodies created in different animals or persons which called antiserum or vaccines such as snake antivenom.
Answer:
chloroplast absorbs the energy in sunlight and uses it to produce sugars. chloroplasts are not needed in plant roots because their function is to use energy from the sun and to convert into starches to be used by the plant. Since sunlight doesn't reach the roots, it would be impossible to use chloroplasts anyways.
Explanation:
