In a hypotonic solution
Explanation:
Contractile vacuoles are used mainly by protozoans like an amoeba in osmoregulation. When the organism environment becomes hypotonic to the cell's cytoplasm, the contractile vacuole pumps more rapidly. This is because, in the hypotonic environment, more water is getting into the cell by osmosis. To maintain the right osmotic pressure in the cell more water is needed to be pumped out – this is a function of the organelle.
Answer:
Yes
Explanation:
At room temperature, exposed elemental mercury can evaporate to become an invisible, odorless toxic vapor. ... Elemental mercury is an element that has not reacted with another substance.
The ocean - ocean deep uptake
Answer:
Sponge; Radial Symmetry; Endoskeleton; Absent Appendages; Absent Segmentation
Cnidarians; Radial Symmetry; No Skeleton; Non-Jointed Appendages; Absent Segmentation
Roundworms; Radial Symmetry; No skeleton; Absent Appendages; Absent Segmentation
Annelids; Radial Symmetry; No skeleton; Absent Appendages; Present Segmentation
Mollusks; Bilateral Symmetry; Exoskeleton; Non-Jointed Appendages; Absent Segmentation
Arthropods; Bilateral Symmetry; Exoskeleton; Jointed Appendages; Present Segmentation
Echinoderms; Bilateral Symmetry; Endoskeleton; Non-Jointed Appendages; Absent Segmentation
Vertebrates; Bilateral Symmetry; Endoskeleton; Jointed Appendages; Absent Segmentation
<span>It is acceptable because data are still being collected.
</span>Protists obtain food in 3 ways. They produce their own organic molecules, ingest, and absorb. Ingestive protists ingest food, or engulf bacteria. These protists extend their cell wall and cell membrane forming a food vacuole around the food item. Inside the food vacuole, enzymes digest the food. Absorptive protists on the other hand, absorb food molecules across their cell membrane which takes place through diffusion. Absorptive protists play a key role in decomposition. They are considered as important decomposers. Major producers like photosynthetic protists use light energy to manufacture their own food.<span> </span>
