Explanation:
Most diving birds have (relatively) long necks and shorts legs, although their necks aren't as long as say herons, storks or egrets. Take the common loon for instance. Their necks can be up to half as long as their bodies but their legs are so short and set so far back that they are very awkward on land.
Answer:
All systems work together to stabilize the body.
Explanation:
Certain systems work with each other in order to maintain homeostasis, which is essential for the body. For example, when blood circulates through the digestive system, it picks up nutrients absorbed by the body during its last meal. Additionally, blood carries oxygen taken in by the lungs. The circulatory system works with the respiratory system here to distribute oxygen to other parts of the body.
Explanation:
the amount of catalyst is same at the end as at the beginning of the reaction .
Answer:
Amino acids and DNA
Explanation:
It is used to make amino acids in our body which in turn make proteins: Skin, blood, hair, muscles. It is also needed to make nucleic acids, which form DNA and RNA
Answer:
You did not post the ecosystem involved but below is an explanation of what a tertiary consumer is.
A tertiary consumer is an organism that feeds on other consumers, specifically primary and secondary consumers. They are often carnivores like hawks,owls, and sharks.
In the attachment below, the owl is the tertiary consumer. It mainly feeds of the primary consumers (mouse and rabbit) and the secondary consumer (snake).