Decreased
<span><span>Ten percent energy rule
Food chain refers to a process cycle from producer to consumer to decomposer.
Plants – herbivores – omnivores – carnivores</span> <span>Start
-> Plants -> herbivore insect -> spiders -> small bird
-> Snake -> hawk -> fox -> lion -> when died the body
will be eaten by hyena-> when hyena died -> body get decompose and
be eaten by worms and the rest will be plant’s fertilizer.
The process of the food chain will then again takes place over and over again.<span> </span></span></span>
Answer:
Decrease in large sharks; over fishing is a big concern; population in shark species declining; chopping off shark fins; sustainability is a challenge.
Explanation:
quizlet
Each of the two threadlike strands into which a chromosome. Each contains a double helix of DNA.
Options to check please? But two answers might be Pollution and Population. So negatively?