Bellringer 19

Which term means:

the process by which organisms respond to internal and external changes to maintain homeostasis

• regulate

• liberate

• dysregulated

Tags

NGSS.MS-LS1-8

Test anxiety and stress can trigger many responses in the human body. It can stimulate increased heart and respiratory rates and increased sweating.

These physical responses to increased stress are examples of

• competitions

• infections

• gene manipulations

• feedback mechanisms

Tags

NGSS.HS-LS1-3

What is most likely expected to occur to this ecosystem in the future?

• The ecosystem will eventually restore itself, but will be very different from the original.

• The ecosystem will eventually restore itself and will be similar to the original.

• The ecosystem will be completely reestablished after six months

• The ecosystem will be unable to reach a state of stability again

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Kittens in the same litter often have similar characteristics, such as fur texture and markings, because they

• were fed milk from the same mother

• developed in the same environment

• inherited similar genes

• were born at the same time

Tags

NGSS.MS-LS1-5

The body’s inability to regulate blood pH could affect:

• enzymes that function within the circulatory system

• red blood cells’ ability to fight infections

• white blood cells’ ability to carry oxygen to the body

• DNA that controls starch digestion in the circulatory system

Tags

NGSS.HS-LS1-3

A self-sustaining ecosystem in a glass tank must include

• producers, decomposers, light, and water

• herbivores, consumers, decomposers, and water

• decomposers, heterotrophs, light, water, and carbon

• heterotrophs, water, and carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4