Answer:
look
Explanation:
Flatworms, roundworms, and segmented worms are all invertebrates. Some species of each type of worm are free-living, meaning they are not dependent on another organism.Some are parasitic.
Flatworms belong to phylum Platyhelminthes. They do not have a coelom, respiratory system or a circulatory system.Tapeworms flukes are examples of flatworms.
Roundworms are part of the phylum Nematoda. They are bilaterally symmetrical invertebrates.They have a psuedocoelom. Ascaris lumbricodes is the most common human parasite.
Segmented worms are the most complex animals of these three invertebrates. They are placed in Annelida. Segmented worms have a true coelom, a circulatory system and a digestive system.An earthworm is a segmented worm.
Answer:
A.
Explanation:
All living things (whether a plant or an animal) will have cells
Answer:population can affect the level of oxygen in water because of the too much of oxygen being released
Explanation:
Answer:
The main reason many people choose to avoid green action is that they think it will cost them more than their typical, environmentally harmful activities. Many times, it is true that environmental friendly products come with high up-front costs, but these costs almost always are made back over the lifetime of products. Many environmentally friendly products are far more efficient and cost-effective over their life-time than other, less clean options. For the most part, people are simply unaware of the economic benefits of going green. This lack of knowledge make consumers unwilling to make decisions that they perceive will cost them more money. No matter how dedicated to the environment a person is, if they believe it will lose them money, it is unlikely that they will ever do anything about it. While total spending on green products may be increasing in the United States, the market share remains dangerously low – typically making up only 3-5% of any given market.
Answer:
Compound
Explanation:
It is a chemical compound because it is something composed of one or two elements.
