Answer:
Plants, animals and, fungi.
Explanation:
Through the process of ecological succession in the development of vegetation in an area over time, have reached a steady state.
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Answer: All the above options are correct about the characteristics of Lumbriculus variegatus.
Explanation:
Lumbriculus variegatus also called the black worm belongs to the phylum Annelida and is used by biologists to illustrate:
-blood vessel pulsations,
-swimming reflex,
-peristaltic crawling behavior,
-giant nerve fiber action potentials.
These studies where carried out on them due to the characteristics they possess. These includes:
-its blood circulates in a closed circulatory system
-Freshwater worm found throughout North America and Europe
-Prefers the shallow habitats found at the edges of ponds, lakes, or marshes
-Feeds on decaying vegetation and microorganisms.
This would be 7. Below 7 is acidic and above is basic. 7 is neutral
Oceanography, geology, meteorology, astronomy, and environmental science
