Relevant Shit

Question 1

Biotic factors are?

Answer 1

relating to or resulting from living organisms

Question 2

Species Diversity is?

Answer 2

the number of different species present in an ecosystem

Question 3

Species Richness is?

Answer 3

the number of species within a defined region

Question 4

From bottom to top what are the trophic levels?

Answer 4

Producers, primart consumers, secondary consumers, tertiary consumers, apex predators

Question 5

What are the three components of a DNA nucleotide?

Answer 5

Phosphate group

Nitrogenous base (ACTG bases)

Deoxyribose sugar

Question 6

What is primary succession?

Answer 6

Organisms inhabit a newly formed ecosystem and start from scratch

Question 7

What is secondary succession?

Answer 7

Recolonisation of a habitat after a major disturbance (forest fire, floods)

Question 8

Transcription factors regulate?

Answer 8

Phenotypic expression of genes

Question 9

What is genetic drift?

Answer 9

the change in allele frequency due to chance

Question 10

What are the 6 Kingdoms?

Answer 10

Plantae
Animalia
Fungi
Protista
Archaebacteria
Monera

Question 11

What is a karyotype

Answer 11

A karyotype is the number and arrangement of DNA into chromosomes present in the cell.

Question 12

What is a community?

Answer 12

All the species that occupy a specific place at a given time.

Question 13

What is an ecosystem?

Answer 13

a biological community of interacting organisms and their physical environment.

Question 14

Define a Niche:

Answer 14

a species role and position within its environment.

Question 15

What are producers and consumers?

Answer 15

Producers - autotrophs (self-feeders)
Consumers - heterotrophs (feed on other living organisms)

Question 16

Define Symbiosis:

Answer 16

Relationship in which two organisms live closely to eachother for an extended period of time. At least one benefits.

Question 17

Characteristics of r-strategists:

Answer 17

Unstable environments, high growth rate, many offspring, little parental investment, short life spans

Question 18

Characteristics of K-strategists:

Answer 18

Stable environments, long life span, extensive parental care.

Question 19

What is DNA

Answer 19

A chain of nucleotides carrying genetic instructions.

Question 20

What is RNA

Answer 20

A chain of nucleotides carrying instructions for forming a protein in a cell.

Question 21

What is helicase?

Answer 21

Breaks down hydrogen bons holding two DNA strands together

Question 22

What are genes?

Answer 22

Regions of DNA that encodes molecules that have a function.

Question 23

What is DNA Polymerase?

Answer 23

Enzyme responsible for assembling nucleotides to form new copies of DNA.

Question 24

Diploid defnition:

Answer 24

Cellular condition in which there are two of each type of chromosome present in the nucleus.

Question 25

Haploid:

Answer 25

Cellular condition in which there is one of each type of chromosome present in the nucleus.