Organization of Life

What is an adaptation?

• a change in the characteristics of a population from one generation to the next

• the selecting of traits that are more favorable in a given environment under certain conditions

• an anatomical, physiological, or behavioral change that improves a population’s ability to survive

• an organism’s ability to survive and reproduce in a given environment under current condition

Tags

NGSS.MS-LS4-4

Which of the following statements about protists is not true?

• Most of them live in water.

• Some of them cause disease in humans.

• They contain genetic material.

• Their cells have no nucleus.

Which of the following is an example of a population?

• All of the trees in a given area

• All of the trees and soil in a given area

• The trees together with the organisms that live in them

• All of the blue jays living in a given area

What characteristic of cells is unique to animal cells?

• Having a nucleus

• Having a cell wall

• Absence of a nucleus

• Absence of a cell wall

Which of these phrases does not describe part of the process of evolution by natural selection?

• The environment contains limited resources

• Organisms produce more offspring than will survive and reproduce

• Communities include populations of several species

• Organisms in a population differ in their traits

Tags

NGSS.MS-LS4-4

The overuse of pesticides and antibiotics has led to the rise in ____________________.

• resistance

• adaptation

• natural selection

• artificial selection

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-6

Most of the energy of an ecosystem comes from ________________.

• plants

• the sun

• animals

• decomposers

Tags

NGSS.MS-LS2-3

Which of the following is not a role of bacteria in the environment?

• Recycling of nutrients

• Producing energy from the sun

• Aiding some organisms in digestion

• Breaking down of remains and waste

Tags

NGSS.MS-LS2-3

Which of the following is not a way that land animals are dependent on flowering plants?

• Food

• Decomposition

• Building materials

• Clothing materials

More _____________________ exist on Earth than any other type of animal.

• fish

• insects

• humans

• bacteria