A theory is a set of sentences which is closed to make logical implications.
The immune system.
The immune system acts as a defense system of the body. It fights against bacteria, viruses and any other disease causing pathogens. Some chemicals can weaken the immune system and make them vulnerable.
1 .insecta
2.arachnida
3. bryophyta
4. mollusca
5. mammalia
6. aves
<u>Explanation:</u>
six legs and three body parts- insecta
2.eight legs and two body parts- arachnida
3. non-vascular and reproduces by spores- bryophyta
4. soft bodies with hard shells- mollusca
5. give birth to live young ones- mammalia
6. lays eggs on land and flies- aves
Answer:
Plantation Forestry.
Explanation:
I found the definition linked to this word! :)
Answer:
idk for sure but here
Explanation:
a chart to describe some relationships among species. Relationships among Species X Y Boxing crabs gently carry anemones in their claws to sting predators and keep them away. The anemones feed off bits of food the crab drops. Fleas live on the warm body of a dog, biting the dog and eating its blood.