Which of the following about taxonomic keys is true?

They describe and classify organisms, Microscopes are not always needed to use a key, They are usually dichotomous.

Cell division; chromosomes replicate once&cells divide twice

What are some examples of organelles?

vacuoles, mitochondria, ribosomes

What is true about chemical reactions?

it always results in a new substance, the properties of the elements involve change, it always uses or gives off energy

What are some examples of nutrition (which is obtaining food)?

dog eating kibble, plants using sunlight to make sugar

What is spontaneous generation?

the (disproven) theory that life came from nonliving matter

dealing with interactions among organisms & the environment

How do enzymes help with organisms internal chemical reactions?

speed up chemical reactions by lowering activation energy

Organism that obtains its food by hurting another organism

What is the definition of the biosphere?

part of the Earth that contains all ecosystems

What is the difference between a eukaryote and a prokaryote?

Eukaryotes have a nucleus while prokaryotes do not

From the picture which group of organisms are the consumers?

spiders, insects, insect-eating birds, & frogs

all the chemical activities that occur in an organism

maintenance of a stable internal environment in an organism

What is the correct sequence of the organization of life?

mlcls- cell- grps cells - organism-pop-comm- ecosy-biosphere

Name the secondary consumers in the simplified food web.

insect-eating birds, spiders, frogs

Multicellular organisms are

living things made of many cells

Which is the correct order for the levels of taxonomy (from largest to smallest)?

kingdom, phylum, genus, species

What is regulation in an organism?

life function responsible 4 coordination & control life acts

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DSA # 1 Review Biology

30 termsStudBud Administration173 plays

A review on ecology and life characteristics for the 11th grade Biology students

Flashcards30 cardsFPractice quizPHost liveL

Questions 30

Answers

1
What three words represent when a cat hunts, kills and then eats a mouse?
consumer
carnivore
autotroph
predator
2
What are characteristics of life?
All living things reproduce
All living things respond to their environment
All of the above
Living things are made up of units called cells
3
What type of reproduction involves two parents?
asexual reproduction
sexual reproduction
binary fission
mitosis
4
Which of the following about taxonomic keys is true?
They describe and classify organisms
Microscopes are not always needed to use a key
They are usually dichotomous.
They can only be used for plants, animals and fungi
5
What is meiosis?
Cell division; chromosomes replicate once&cells divide once
Cell division;chromosomes replicate twice&cells divide twice
Cell division; chromosomes replicate twice&cells divide once
Cell division; chromosomes replicate once&cells divide twice
6
Bacteria of decay are known as:
omnivores
consumers
detrivores
decomposers
7
What is role the organism plays in the community called?
heterotroph
niche
habitat
shelter
8
What are some examples of organelles?
vacuoles
enzyme
mitochondria
ribosomes
9
What is true about chemical reactions?
it always results in a new substance
none of the above
the properties of the elements involve change
it always uses or gives off energy
10
What are some examples of nutrition (which is obtaining food)?
dog eating kibble, a baby eating a dirt and getting sick
plant using sunlight to make sugar, water melting in stream
acid destroying cells, toxin released from bacteria
dog eating kibble, plants using sunlight to make sugar
11
What is spontaneous generation?
a type of biogenesis
the (disproven) theory that life came from nonliving matter
proven true by Redi, Spallanzani, and Pasteur
the theory life comes from life
12
The study of all living things is
ecology
all science
biology
astronomy
13
What is ecology?
the study of chemical reactions
dealing with interactions among organisms & the environment
the study of life
the study of inheritance
14
How do enzymes help with organisms internal chemical reactions?
speed up chemical reactions by lowering activation energy
slow down chemical reactions by increasing activation energy
slow down chemical reactions by lowering activation energy
speed up chemical reactions by increasing activation energy
15
What is a parasite?
Organism that obtains its food using chemosynthesis
Organism that obtains its food by hurting another organism
Organism that obtains its food through the dead remains
Organism that obtains its food using photosynthesis
16
What are amino acids known as?
building blocks of carbohydrates
building blocks of proteins
building blocks of lipids
building blocks of DNA
17
Which type of microscope uses two lenses to magnify the specimen?
scanning probe microscope
simple microscope
compound microscope
electron scanning microscope
18
What is the definition of the biosphere?
part of the Earth that contains all ecosystems
contains all the populations and nonliving matter in an area
one individual living thing
all the populations in an area
19
What is the difference between a eukaryote and a prokaryote?
Prokaryotes have a nucleus while eukaryotes do not
Eukaryotes have genetic codes while prokaryotes do not
Eukaryotes have a nucleus while prokaryotes do not
Prokaryotes have genetic codes while eukaryotes do not
20
What did Linnaeus create?
the cure for polio
a long curvy neck tube to let air in but not microorganisms
modern taxonomy
the modern vaccine
21
Which of the following is a biotic factor?
soil
temperature
water
autotrophs
22
From the picture which group of organisms are the consumers?
spiders, insects, insect-eating birds, grass & frogs
spiders, insects, & frogs
spiders, grass, insect-eating birds, & frogs
spiders, insects, insect-eating birds, & frogs
23
What is metabolism?
all the chemical activities that occur in an organism
the control of duplicating chromosomes
when chemical activities build up molecules only
when chemical activities break down molecules only
24
Which molecule is the main source of energy for most organisms?
enzymes
starch
glucose
lipids
25
What is homeostasis?
the home where I stay sis
all the chemical reactions within an organism
responding to the external environment
maintenance of a stable internal environment in an organism
26
What is the correct sequence of the organization of life?
mlcs- cells-grps cells - organism-comm- pop-ecosy- biosphere
mlcs-biosphere-grps cells - organism-pop- comm- ecosy- cells
mlcls- cell- grps cells - organism-pop-comm- ecosy-biosphere
mlcs-organism-pop- comm- cells- grps cells - ecosy-biosphere
27
Name the secondary consumers in the simplified food web.
insect-eating birds
insects
spiders
frogs
28
Multicellular organisms are
living things made of nonliving things
living things made of many cells
living things made of one cell
living cells made of monomers
29
Which is the correct order for the levels of taxonomy (from largest to smallest)?
genus, species, kingdom, phylum
phylum, kingdom, species, genus
kingdom, phylum, genus, species
species, phylum, genus, kingdom
30
What is regulation in an organism?
life function responsible 4 coordination & control life acts
bacteria's asexual reproduction
the combination of all chemical reactions in an organism
a stable internal environment

DSA # 1 Review Biology Flashcards | StudBud