Unicellular and Multicellular
What is an organism?
An organism is something that is living.
What are the main levels of organization? (hint: there are 4)
cells, tissues, organs, organ systems
What are chromosomes?
Compacted coils of DNA that contain genetic information.
What are some examples (at least 3) of abiotic factors in an ecosystem?
Water, light, air, minerals, temperature and soil
All food chains and food webs start with the ________?
SUN
What happens if a cells die or are injured in a multicellular organism?
A. organism dies
B. Replaces with a new cell
C. Turns into a unicellular organism
D. Nothing happens?
B. Replaces with a new cell
What is bone marrow?
A soft tissue inside of the bone where new blood cells are generated.
Do boys or girls have XX chromosomes?
Girls
What are some examples (at least 3) of biotic factors in an ecosystem?
Plants, animals, bacteria, fungi, people
What is photosynthesis?
When plants take the energy from the sun and convert it to use as food.
Explain the difference between a multicellular organism and a unicellular organism.
A multicellular organism's body is made up of many different cells and a unicellular is made up of a single cell.
What are the 3 major types of muscles in the human body?
-cardiac muscle (heart)
-skeletal muscle (attached to bones, help us move)
-smooth muscles
What are 3 examples of Acquired Traits?
Favorite sports, music, religion, etc.
The Ocean is divided up into what five main parts?
1. The Pacific
2. The Atlantic
3. The Indian
4. The Arctic
5. The Southern/Antarctic
What happens every time you go up to another level on an energy pyramid?
Energy is lost
Which type of organism has the longest lifespan?
Unicellular or multicellular?
multicellular
In the small intestines, the chyme is propelled along by folded fingerlike surfaces called _________.
Villi
Which trait overrides the other?
A. dominant traits override a recessive traits
B. recessive traits override dominant traits
A. dominant traits override a recessive traits
What is the area called of coastal grassland that is regularly flooded with the tides of saltwater or brackish water?
A. Swamps
B. Rivers
C. Salt Marsh
D. Lakes and Ponds
C. Salt Marsh
Which organism breaks down dead plants and animals into useful things like minerals that enrich the soil?
a. producer
b. consumer
c. decomposer
d. herbivore
c. decomposer
What are the 6 life functions of all organisms?
growth
movement
reproduction
respiration
nutrition
excretion
What is the purpose of the spinal cord?
It sends instructions from the brain to the rest of the body and vice versa.
A frog’s skin color is inherited. How does it help the frog survive?
Helps them blend into their surroundings, keeping them safe from predators.
What are the Six Major Biomes?
1. Deciduous Forest
2. Taiga
3. Tropical Rainforest
4. Desert
5. Tundra
6. Grassland
What is another name for an Apex Predator?
a. tertiary consumer
b. predator consumer
c. omnivore consumer
d. herbivore consumer
a. tertiary consumer