Uranium-238 is found only in igneous or volcanic rocks. They can date a very ancient fossil also but carbon cannot date and ancient fossil. Trees are not very ancient. Carbon-14 can be used to measure only fossils of recent age.
Animal’s and Plant's circulatory system:
1. Animals have circulatory system for the transport of nutrients and waste and plants have vascular system for the exchange of gases and nutrient.
2. Animals have specialized circulatory systems like.ARTERIES,VEINS and CAPILLARIES.
3. IN PLANTS, they have bidirectional transport system…like FOOD prepared though PHOTOSYNTHESIS is transported to different parts of plant body through phloem..while minerals and water intake by roots r transported by xylem..
4. ANIMALS circulatory system works on presence of amount of blood.
5. PLANTS circulatory system works on availability OF resources.
C) Unregulated hunting could lead to species becoming endangered.
unregulated hunting could lead to species becoming endangered. Regulating hunting ensures that the species will not experience too much of a population decline.
Answer: B) You both are made up of cells.
Explanation:
The Streptococcal infections in humans spread from one person to another through nasal and throat secretions from infected people or by direct contamination of the injury or wound. The Streptococcus bacteria can be transmitted from animals to humans and from human to animals.
The Streptococcus bacteria and humans are living organisms and they are made up of cells. This is the common feature in both organisms.The Streptococcus is a bacteria, which is made up of prokaryotic cells but we humans are composed of eukayotic cells. We humans have genetic material resides in the nucleus whereas in the Streptococcus no well defined nucleus is present and the genetic material in bacteria floats freely in the cytoplasm.
