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.
koala
the koala lives in the forest Australia has no forests they all burnt down
An educated guess is the best way to describe hypothesis
Food chains model energy flow through an ecosystem. Producers pump energy into an ecosystem from an environmental source, and this energy is then passed from one organism to the next.
Answer:
If you did some reaseach the answer would be c.
Explanation:
c. The foods with antioxidants are: all berries are great (strawberries, blackberries, blueberries, etc.), green leafy vegetables, carrots, tomatoes, dark chocolate, nuts, kidney beans and all beans, all herbs and foods mother nature provides us.
