These had no leaves or roots, instead they had green photosynthetic stems which served as both anchors in the ground and photosynthetic surface.
These are the answers to the following questions:
1. In what type of rocks would geologists most likely find evidence of past life forms?
-igneous rocks
2. The physical, chemical and biological laws that opeate today have also operated in geologic past. This statement relates to the principle of
-cross-cutting relationships
3. In general, the law of superstition states that in an underformed sequence of sedimentary rocks, each layer is
-older than the one below it
4. If a layers of sandstone is in contact with a mass of granite that contains small pieces of the sandstone, which rock is older?
-It is not possible to determine which rock is older from this information
Answer:
True.
Explanation:
Antigen may be defined as the chemical that has the ability to evoke the and immune response and can harm the living organisms. The specific antibody are produced against the immune response.
The antigens has evolved different mechanisms to prevent themselves from them the immune system of the host. The antigenic shift is the most common change that might occur in viruses that helps the antigen to protect itself by changing its genetic material. No anti viral drugs are available for the viruses.
Thus, the answer is true.
Coral bleaching is essentially when a coral turns white because the temperature is too hot for it to survive. It will continue to occur as the temperature keeps getting higher because of global warming. All corals might die
Head,Thorax,abdomen and six legs