Answer:
Ecological and ethological approaches to the study of behaviour. The natural history approach of Darwin and his predecessors gradually evolved into the twin sciences of animal ecology, the study of the interactions between an animal and its environment, and ethology, the biological study of animal behaviour.
The sun as producers benefit from that
The correct answer is option C. Endocrine glands secrete hormones into the bloodstream because endocrine glands are ductless and the exocrine glands have ducts so they secrete their hormones into the ducts.
The correct option is D.
According to the British Anatomist, primates have these three distinguishing characteristics"
1. Primates eat a wide variety of food, that is, they exhibit dietary plasticity.
2. Primates are adapted to living on trees. Primates have specific anatomical structures and behavior which adapted them to living on trees.
3. Primate put in a lot of time in taking care of their offspring. Primate usually give birth to few children but they invest time in taking care of their children.
Transpulmonary pressure, the difference between intrapulmonary and intrapleural pressures, prevents the lungs from collapsing
