'Хагас жилийн дүн ахиулах' 8-р анги

Why plants become wilt?

• Less water evaporate from the plants

• The plant loss excessive amount of water through transpiration

• The stomata of the plants are closed

• The weather are cool.

An organism that hunts and feeds on another organism is a ______________________.

• prey

• predator

• producer

• decomposer

VARIATION

• The gradual change of species over time

• Organisms develop in similar ways in the womb

• Survival of the fittest

• Differences in traits between members of the same species

The spines on a hedgehog is considered to be _____________ adaptation.

• Structural

• Behavioral

How many trophic levels are there in this food chain?

• 6

• 5

• 4

• 3

• 2

Where is all the genetic information in a cell?

• Nucleus

• Chloroplast

• Cytoplasm

• Cell membrane

The arrows in a food chain or web represent what?

• They point to the organism that is being eaten.

• They show what direction the energy is flowing between organisms.

• They represent how water is transferred within a habitat.

• It shows how sunlight flows within an ecosystem.

Which part produces pollen

• style

• stigma

• anther

• filament

What does an ovule become when it is pollinated?

• a seed

• a fruit

The purpose of seed dispersal is for the seeds to __________.

• germinate at the same time

• move to the same place and grow

• move further away from the parent plant