Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.
Answer:
Streak Test
Explanation:
A streak test is used by geologists to help determine the powdered color of a mineral. They usually use a white or black plate, scrape a sample of the mineral onto the plate, and voila!
P.S. I also had a question like this on a test before.
Answer:
lysosomes, small molecules
Explanation:
-plants:usually not evident Animals: occurs in cytoplasm
-small organelles filled with enzymes
-"clean up crew"
- the digestion or breakdown of lipids, carbs, and small proteins into small molecules that can be used by the rest of the cell
-involved in breaking down organelles that have outliveed their usefullness
-diseases are trace to lysosomes that dont function properly
The number of organsims at each levels, so there are more producer than herbivores, more herbivores than carnivores and so on...
The set of characteristics provided by Audesirk and Audesirk are: Animals are multicellular. Animals are heterotrophic, obtaining their energy by consuming energy-releasing food substances. Animals typically reproduce sexually. Animals are made up of cells that do not have cell walls.