virus
name a dangerous virus beside covid and the flu
black death or any answer that makes sense
who created geologic columns
nicolaus steno
are we in a food chain? yes or no
yes
how many stages of meiosis are there
8-9
is all bacteria harmful? true or false?
false
true or false? do all viruses hurt you
false
when were geologic columns made
the 19th century
what is the lowest on the food chain
plants
is meiosis asexual or sexual
sexual
what is bacteria?
single-celled organisms with simple internal structures.
what is a virus?
an infectious agent that can replicate within a host organism.
what is a geologic column?
a column diagram that shows rock formations.
what is a food chain?
what is the series of processes by which food is grown or produced, sold, and eventually consumed. Or a series of organisms each dependent on the next as a source of food.'
what is meiosis?
a special type of cell division the cell divides twice to create four cells containing half the original amount of genetic information.
list one helpful bacteria
rhizobuim
what is the difference between a virus and a disease
viruses are smaller that bacteria and viruses need a living host bactertia are single celled
how old is the oldest rock inf the grand canyons geologic column
1.8 billion years old
what type of animals are at the top of the food chain?
apex predators or alpha predators
what happens in the first phase of meiosis
dna in the cell copied creating two identical sets of chromosomes
are bacteria prokaryotic or eukaryotic
prokaryotic
make a virus name it and explain why it would be dangerous or not.
any answer is correct as long as it makes sense
how are geologic columns useful?
list the food chain in order
producer, primary consumer, secondary consumer, tertiary consumer, apex predator, decomposer
list four stages of meiosis.
prophase I, metaphase I, Anaphase I, Telophase I
what are harmful bacteria called and list 2 harmful bacteria.
pathogenic bacteria and E. Coli, and salmonella