Bell Work 2-8-23

The maximum number of individual organisms that an ecosystem can comfortably support is

• exponential growth

• carrying capacity

• population

• tolerance

Food, water, sunlight, shelter, and space are resources that are  __________.

• limiting factors
• wet
• messy
• found in rocks

Which macromolecule contains enzymes?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

A water strider can skate along the top of a pond because....

• covalent bonds result in water cohesion (surface tension)

• hydrogen bonds result in water cohesion (surface tension)

• water striders have adapted to become lighter than water

• low surface tension of water

Answer explanation

Cohesion is where water molecules stick together because of hydrogen bonding.

The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.

• adhesion
• capillary action
• cohesion
• surface tension

Answer explanation

Cohesion is where water molecules stick together because of hydrogen bonding.

This cell is simple. Only genetic material, cytoplasm and ribosomes inside.

• Eukaryotic
• Prokaryotic
• Plant
• Animal

This organelle's function is to make protein.

• Rough E.R.
• Smooth E.R.
• Ribosome
• Nucleus

This organelle function is to package, modify and transport materials in/out of cell.

• Rough E.R.
• Smooth E.R.
• MItochondria
• Golgi Body

Most stomata are usually found in underside of leaves.  Why?

• conserve water
• get more CO2
• prevent infection
• none

WHAT IS THE SUBSTANCE THAT GIVES PLANTS THEIR GREEN COLOR AND HELPS A PLANT USE ENERGY FROM THE SUN TO MAKE FOOD?

• GERMINATE

• SEEDLING

• CHLOROPHYLL

• PHOTOSYNTHESIS