science exam - biology

Question 1

what are the similarities between plant and animal systems (3)

Answer 1

• both have a transport systems to move water and nutrients
• both need to exchange gasses with their surroundings
• both must be able to reproduce

Question 2

what are the differnces between plant and animal systems (2)

Answer 2

• plants make their own food through photosynthesis because they cant move.
• they do not contain complex organ systems

Question 3

what are the two body systems of typical floweirng plants

Answer 3

the root system and the shoot system.

Question 4

what does the root system of a plant do

Answer 4

absorbs water and minerals from the soil and stores food

Question 5

what does the shoot system of a plant do

Answer 5

conducts photosynthesis ans allows for sexual reproduction.

Question 6

what is the chemical formula for photosynthesis?

Answer 6

carbon dioxide + water + light energy –chlorophyll-> oxygen + glucose

Question 7

true of false: the fruit is a fertilized eggs that becomes the seed.

Answer 7

true. we eat apple children.

Question 8

what are the types of tissue systems in plants

Answer 8

dermal, ground, and vascular

Question 9

what are stem cells called in plants

Answer 9

meristimatic cells.

Question 10

what are characteristics of plant cells (8)

Answer 10

large vacuoles, many chloroplasts, few mitochondria, cell wall on outside, cell membranes inside cell wall. ramen squiggles are chromosomes. no flagellum, and no centrioles.

Question 11

what are characteristics of animal cells (6)

Answer 11

animal cells have a cell membrane, no chloroplasts, small vacuoles, some flagellum, and centrioles. they are roundish, where plant cells are square.

Question 12

whats are in the respiratory system (7)

Answer 12

nose, nasal cavity, esophagus, trachea, lungs, aveoli, and diaphragm.

Question 13

whats in the circulatory system (6)

Answer 13

lungs, veins, arteries, capillaries, blood, heart

Question 14

whats in the digestive system (11)

Answer 14

pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus, with liver, gall bladder, appendix, and pancreas

Question 15

what are the stages of mitosis

Answer 15

PMAT prophase, metaphase, anaphase, telophase

Question 16

what is mitosis

Answer 16

the division of the nucleus

Question 17

what is interphase

Answer 17

the state that a cell is in when it is not undergoing mitosis or cytokenesis… when it is not dividing.

Question 18

what happens during prophase

Answer 18

centrioles move to opposite ends of the cell, nucleolus and nuclear membrane beak down like me and dissapear, hromatin condense and bcome chromosomes

Question 19

what happens during metaphase

Answer 19

chromosomes line up in the center of the cell and spindle fibers grab onto them

Question 20

what happens during anaphase

Answer 20

spindle fibers pull sister chromatids apart like ICE agents pulling immigrant children from their families. sister chromosomes become daughter chromosomes.

Question 21

what happens during telophase

Answer 21

chromosomes uncoil back into chromatin. cytokenesis takes place, and cell becomes two.

Question 22

how does the digestive system work

Answer 22

first, it goes through the mouth and is digested by mechanical and chemical digestion. then it is pushed down the esophagus and into the stomach where it is broken down by enzymes and bacteria is killed by hydrochloric acid. then it goes through the small intestine where nutrients are absorbed. then it goes through the large intestine where water and bio salts are removed. then it goes through the rectum and anus to poop.

Question 23

how does the circulatory system work with the breathing system (cellular respiration)

Answer 23

oxygen is breathed into your lungs, where the oxygen becomes filtered into the bloodstream through avleoli that surround capilaries, which bring the blood to the heart in veins, before it gets pumped through the body from the heart in arteries. as the blood travels through th body it exchanges the oxygen for carbon dioxide, through the alveoli, before it gets pumped back into the heart in veins, finally returning to the lungs to restart the cycle.

Question 24

what is the difference between climate and weather

Answer 24

weather is the temp and clouds and stuff for one day, climate is an average temp and precipitation for a region over the year.

Question 25

what are some impacts of climate change

Answer 25

ice is melting, more floods and forest fires, sea level rising, droughts. :(

Question 26

good luck on the exam, i mightve missed some cards

Answer 26

tganks

Question 27

what is gas exchange?

Answer 27

oxygenated blood in the arteries goes to the capillaries and goes from an area of high concentration to an area of low concentration. the deoxygenated blood in the veins does the same thing.

Question 28

what systems work together?

Answer 28

respiratory and circulatory system, digestive and muscular, nervous system and digestive system’s involuntary muscles.

Question 29

what is the greenhouse effect?

Answer 29

when the sun’s warmth is trapped in the lower atmosphere and the excess gases like CO2 keep the heat and make the globe warmer.

Question 30

what is the temperature of the earth?

Answer 30

about 14ºC

Question 31

how much more can the earth’s temperature increase?

Answer 31

2ºC

Question 32

what is the paris agreement?

Answer 32

the paris agreement is an agreement within the united nations that deals with greenhouse gas emissions

Question 33

what is the international kyoto protocol?

Answer 33

an international agreement linked to the united nations on climate change.

Question 34

what would the temperature of the earth be if there was no climate change?

Answer 34

near -18 degrees