Answer:
Explanation:
a. Flame cells: In the certain freshwater invertebrates such as rotifers some flatworms, there is presence of special excretory. A flame cell works as a kidney that removes waste materials.
b. Ocelli: These are the organs present in most of the arthropods. These are light detecting organs consists of a single lens and several sensory cells which detect movements.
c. Toxicyst: It is a specialized cellular structure present in some protozoa which are used to capture prey.
d. Nematocyst: It is small elongated capsule present in the members such as Hydra, jellyfish, sea anemones of phylum Cnidaria. Each nematocyst has a coiled, hollow, usually barbed thread. The thread contains poison and used to kill prey.
e. Colloblasts are a cell present in the tentacles of the ctenophores of the phylum Cnidaria. It has of a coiled spiral filament which are used to capture prey.
Answer:
keeps oil prices low, reduces competition between oil-producing countries, allows oil sources to be used up faster
Explanation:
Answer:The abundance of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonic plates in the area. Along much of the Ring of Fire, plates overlap at convergent boundaries called subduction zones. A significant exception is the border between the Pacific and North American Plates.
Explanation:please brainliest
Every aspect of South Carolina’s economy was impacted by the war. Due to the increased demand for cotton and other produce, the state’s agriculture, which had struggled since the early 1920’s, saw its wages more than double between 1939 and 1943.