8th Grade Review
What is the positive particle found in an atoms nucleus?
Proton
What is the powerhouse of the cell?
Mitochondria
Which body system is responsible for breaking down food and absorbing nutrients?
Digestive system
You find a tick on your dog. The tick is sucking blood from your dog. What type of symbiotic relationship is this?
Parasitism
Who is the artist behind super gremlin?
Kodak Black
A main sequence star is red. What does that tell you about its temperature and brightness?
It will be dim and cool.
Which organelle makes proteins for the cell?
Ribosomes
Which body system is responsible for bringing in oxygen, expelling carbon dioxide?
Respiratory system
In the ocean, there are small fish that live in and around the mouths of large sharks. The shark does not harm the fish because the fish pick food from between the shark’s teeth. In return, the small fish benefit from food the sharks find. Which form of symbiosis exists between the sharks and the small fish?
Mutualism
Travis Kelce
What are three indicators of a chemical change?
Color change, temperature change, bubbling, precipitate forming, giving off light
What organelle is responsible for breaking things down, such as foods and waste?
Lysosomes
Which body system is responsible for moving nutrients and oxygen throughout the body?
Circulatory system
Imperial shrimp attach themselves to sea cucumbers for transportation. The interaction saves energy and improves food availability for the shrimp. The sea cucumber is not affected by the interaction. What type of interaction exists between the shrimp and the sea cucumber?
Commensalism
Who won the superbowl?
Kansas City Chiefs
What will our sun end up as?
Red dwarf
Some toxins prevent cells from absorbing water. Cells that are affected by these toxins are unable to carry out many of their normal functions. Which of these organelles would be most directly harmed by one of these toxins?
Ⓐ chloroplasts Ⓑ endoplasmic reticulum
Ⓒ mitochondria Ⓓ ribosomes
A, Chloroplasts as that is where photosynthesis happens and photosynthesis needs water.
The circulatory and digestive systems interact with each other to help maintain homeostasis in the human body. Which pair of actions describes how these two systems work together to maintain homeostasis?
Ⓐ taking in oxygen and transporting it to all the cells Ⓑ moving nutrients and fighting infections in the body
Ⓒ removing wastes and excreting them out of the body
Ⓓ providing nutrients and transporting them to the cells
A, respiratory takes in oxygen and then circulatory transports it
Like the success of animals, the success of plants is limited based on the resources available to each individual. In the tropical rainforest, plants are especially limited by the space they have available to grow and reproduce. Which of these statements describes a way that limited space will impact the success of a plant in the rainforest?
They need space to get light. In a rainforest, they are crowded in and can't get the light they need to grow
Who is the current leader in D-1 men's and women's basketball scoring?
Caitlyn Clark
Draw the moon in the correct position for a lunar eclipse. Then label it indicating what moon phase it will be and whether it will be strong spring tides or weak neap tides.
The sun and moon should be on opposite sides. It will be a full moon, with strong spring tides.
How would a disease that damages the mitochondria most directly affect the functioning of cells?
Ⓐ protein synthesis would be stopped
Ⓑ waste materials would remain trapped in the cell Ⓒ hereditary information in the cell would be destroyed
Ⓓ energy obtained from food molecules would be reduced
D, less energy
What is a similarity between the respiratory and excretory systems?
Ⓐ They both break down food.
Ⓑ They both remove waste from the body.
Ⓒ They both exchange gases within the body.
Ⓓ They both transport nutrients throughout the body.
B, respiratory removes carbon dioxide waste, excretory removes solid and liquid waste
A picture of an ecosystem will be put up on the board. If the hawks all died, what would happen to the grasshopper?
It would drop in numbers, as without the hawks eating the lizards, their numbers would increase and eat more of the grasshoppers.
LV is short for which luxury brand?
Louis Voutton