I'd say zoology.
Zoology is the study of animals, generally speaking, and since birds are animals, the study of these fall into the field zoology. The study of birds though, is called ornithology.
Hope it helped,
BioTeacher101
Answer:
B. Australia is isolated
Explanation:
They originated in South America and spread throughout the world, but due to competition on other continents, the other marsupials died out, while the ones on Australia lived.
The first heart chamber that the dye would enter is right atrium.
This will be followed by
left ventricle
right ventricle
left atrium
coronary valve
Answer:
The given statement is true.
Explanation:
Alpha- defensins belong to the family of mammalian defensin peptides that belong to the alpha sub family. Defensins are anti-microbial molecules . They work against Gram positive and Gram negative bacteria, fungi and enveloped viruses. Alpha- defensins functions by attacking the intraluminal bacteria and fungal pathogens.
Reactive oxygen species are very reactive chemicals formed from oxygen. These are anti-microbial molecules. Reactive oxygen species are antimicrobial against Gram-positive and Gram -negative bacteria, viruses and fungi.
Learn more about defensins here:
brainly.com/question/16404467
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