What is Biology ?
The study of Life
What is Huntington’s Disease?
This is an inherited disorder that causes nerve cells in the brain to gradually break down and die.
What is a perfect flower?
A flower with both male and female reproductive parts
What is the Difference between vertebrates and invertebrates?
Invertebrates: animals without spines
Vertebrates: animals that have spines
Where did Darwin do his work?
Galapagos islands
What is a oncogene?
A gene that can transform a cell into a tumor cell.
What bacteria is the most beneficial?
Bifidobacteria
Are reproductive parts of a mushroom edible?
Yes
What fossil would not be totally preserved?
The fossil of soft body organisms wouldn’t be totally preserved.
What scientist developed the two work naming system for all organisms
Carl Linnaeus
What does RNA stand for?
It stands for Ribonucleic acid
What strain causes disease: smooth or rough?
smooth causes diseases.
What is the percentage of flowering plants that exist?
over 80%
How many chambers do mammals have in their heart?
mammals have 4 chambers in their heart.
What did Charles Darwin do in detail?
He came up with natural selection and published the origin of species in 1859.
Explain what plasmids are.
Plasmids are small circular DNA molecules found in bacteria and some microscopic organisms
What can pathogenic bacteria cause?
It can cause tetanus, typhoid fever, diphtheria, syphilis, and leprosy
What is a anther in plants?
Part of the stamen that contains the pollen.
What is the functions of a cerebral cortex in mammals?
The cerebral cortex is part of the brain responsible for cognition. It helps memory, thinking, learning, reasoning, problem solving and emotions.
Explain what lamak did in detail.
He came up with his ideas of evolution in 1809. He published the “Ladder Of Life” and had 2 assumptions. 1. Law of use and disuse 2. Inheritance of Acquired Characteristics
what is Fusion and provide an example.
A gene made by joining of two different genes
ex. fusions of a egg and sperm in fertilization
What are 5 ways diseases can spread?
1. Nose
2. Hands to food
3.sexual contact
4. Blood or other bodily fluids
5.infected person to hands of other people
What is the functions of a stigma in a plant?
The stigma is where the pollen germinates.
What are ectoderm’s and endoderms and provide examples.
Ectoderms: reptiles/ amphibians that rely on its environment to regulate the temperature of its body Ex. Lizards
endoderms: able to regulate their own body temperatures by producing heat within their bodies ex. Birds
What is the difference between Lamark and Darwin?
LaMark: believed that variations began to occur after the environment changed, saw evolution as individual
Darwin : believed that variations occur at the random in many cases before the environment changed, saw evolution as a population