9 Biology - Revision Flashcard

Front

What is the relationship demonstrated by a predator-prey graph?

Back

A predator-prey graph demonstrates a cyclical relationship between predator and prey populations.

Front

Which gland is known as the 'master gland'?

Back

Pituitary gland

Front

What part of the brain connects the endocrine and nervous systems?

Back

Hypothalamus

Front

What term describes the maintenance of an organism's internal environment?

Back

Homeostasis

Front

What does a robin compete with for its food source?

Back

The lizard

Front

What is the function of the pituitary gland?

Back

The pituitary gland regulates various hormonal functions and controls other endocrine glands.

Front

Define homeostasis.

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.

Front

What role does the hypothalamus play in the body?

Back

The hypothalamus regulates body temperature, hunger, thirst, and circadian rhythms, and links the nervous system to the endocrine system.

Front

What is the significance of the predator-prey relationship in an ecosystem?

Back

The predator-prey relationship helps regulate population sizes and maintain ecological balance.

Front

What are the main hormones produced by the pituitary gland?

Back

The pituitary gland produces growth hormone, prolactin, and adrenocorticotropic hormone (ACTH), among others.