Life Science Test

What is the main way the stem of a plant helps the plant feed itself?

• by collecting air
• by collecting sunlight
• by taking nutrients to the roots
• by bringing water to the leaves

A plant is growing straight up. If Brooke moves it to a window so it only gets light from one side, the plant will lean towards the window. How can you record observations to show a plant responding to a change of light? 

• weight the plant three times a day
• write down the length of the stem as it grows
• draw pictures of the plant as its position changes
• make a table showing how much water the plant gets each week.

What is the main role of the pollen in a plant?

• It collect nutrients
• It supports the plant
• It lets the plant make food
• It helps the plant reproduce.

Soil 1, Plant grew 14 inches.
Soil 2, Plant grew 8 inches.
Soil 3, Plant grew 12 inches.
Soil 4, Plant grew 15 inches.
Which soil makes the plant grow tallest?

• Soil 1
• Soil 2
• Soil 3
• Soil 4

If a plant was growing straight and now it's leaning sideways, what most likely happened?

• a change in rain
• a change in nutrients
• a change in temperature
• a change in the light source

Lily is studying how plants respond to the pull of gravity. Which of these is most likely caused by a plant responding to gravity?

• large flowers
• narrow stems
• roots that grow down
• leaves that grow wide

How do deciduous trees change in the fall?

• They start to die.
• Their leaves fall off.
• Their leaves get a waxy coating.
• They store food in bulbs underground. 

Animal 1- Breathes with gills
Animal 2- Gives live birth
Animal 3- Does not have a backbone
Animal 4- Builds a nest
Which one is most likely a mammal?

• animal 1
• animal 2
• animal 3
• animal 4

Plants get energy directly from which source?

• soil
• wind
• water
• sunlight

Jeffery is telling his sister, Saylor, about an arthropod he has been studying. How could she explain why the animal is an arthropod?

• It can fly.
• It has a backbone.
• It has jointed legs.
• It can live in water.