Which evidence below supports the theory that mitochondria and chloroplasts were originally bacteria?
a) circular dna is present in both organelles.
b) both organelles are larger than other organelles in the cell.
c) both organelles are surrounded by a single lipid bilayer.
d) all of the above.

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil