HArd questions
Suggest 2 causes of Variation Among members of the Same Species
Natural Selection, Epigenetics, Environmental Factors, Genetic Drift, Gene Flow, Sexual Reproduction, Mutations, Genetic Variation
What is an impact of low Hemoglobin
Reduced oxygen delivery, fatigue, poor physical performance.
Function of Hemoglobin
Carries oxygen to the blood and muscles
Hormone responsible for the response in seedlings
Auxin
What is Phototropism
growth towards light
What Substances are transported by the blood
Nutrients, Co2, O2
How are the responses of soil inveritibrates and cucumber seedlings similar
both are triggered by external stimuli...any external stimuli listed
How are the responses between soil invertebrates and cucumber seedlings different
Invertebrates-Taxis, Seedlings- Tropism
Difference between the roles of the nervous and endocrine system
Nervous responses are localized short term, endocrine responses are widespread long term
What is a metabolic waste product excreeted by plants
Oxygen, Co2
What procedure causes permanent sterility in males
vasectomy...snip snip
Difference between reproduction in humans and potato tubers
Potato- Asexual, genetically identical offspring, grows shoots from buds
Humans- Sexual, genetically diverse offspring, requires specialized reproductive cells i.e. sperm and egg
How does the human body PREVENT infection
Physical barriers- skin mucus membranes,
Chemical Barriers- acidic secretions, antimicrobial proteins
Immune System, Inflammation, Coughing or sneezing, Flushing mechanisms, Normal Flora
What are the stages of the life cycle of a mosquito
egg...larva...pupa...adult
How do we mitigate the spread of mosquitoes
Destroying breeding sites- still water...those who know
Using Larvicides
Using Insecticides
Using Nets
what is passive acquired immunity
receiving antibodies directly from another person or animal
note: without activation of the immune system or memory cell production [temporary protection is provided]
How do vaccines work
weakened or inactive pathogen is introduced to the body...antibodies are produced by immune system...memory cells are produced
Name a type of blood
A, AB, B, O
What is the medical terminology for a White Blood cell
Leukocytes
Johnny doesn't like orange juice...he looses all his teeth due to a deficiency in a certain vitamin...and intake of foods containing which vitamin could've prevented this
Vitamin C
What is the medical terminology for Red blood cell
Erythrocytes
Thrombocytes are another name for what type of cell in the body
Platelets
Phagocytes are part of the function of which type of cells
Whte blood cells
What does DNA stand for
Deoxyribonucleic Acid
what is biology
the study of life and living organisms