Criteria for Life 1
what are all 6 criteria for life
1. cells, 2. growth, 3. energy, 4. homeostasis, 5. sense and respond, 6. DNA
you need more skin cells, so your body tells your skin cells to grow. how do they grow in 2 ways?
enlarge and divide
There are 3, gray, lemurs. They all have orange eyes and a long, bushy tail. What is a quantitative observation about these lemurs?
there are 3
what did Aristotle come up with when he saw maggots on rotted meat?
sponanetous generation
what is a tool in biology?
measurement system, tables, graphs, microscopes
Karen, the octopus, got in an accident. Her tentacles were eaten by a shark. What life function will Karen struggle with?
sensing and responding to stimuli
you just ate a sandwich, now you are going to go for a run. is your body going to go through catabolism or anabolism?
catabolism
the man is fishing
what is abiogenesis?
spontaneous generation happened to create life
why do we have a metric system?
so that there is one common system for measurments that all scientists can use
a parent and 2 offspring are studied. scientists find no differences between them. did the parent reproduce sexually or asexually?
asexually
Alice is hungry, so she makes a lunch that consists of water, a salad, and a turkey sandwich. Is Alice a herbivore, carnivore, or omnivore?
omnivore
you see a bird in your backyard. it starts to sing. what is a hypothesis for why the bird is singing?
to attract mates
to drive off rivals
to warn others
why is science not 100% reliable?
humans do it, humans always make mistakes
we can't use science to explain EVERYTHING
how do you carry a microscope?
by holding its base and its arm
Larry, the lizard is very cold, so he finds a rock in the sun and lays on it. after a few hours, Larry gets very hot, so he runs off the rock and into some shade to cool down. is Larry an endotherm or ectotherm?
ectotherm
where does almost all of the energy on Earth come from?
the sun
what is the difference between a scientific theory and a scientific law?
law: describes what
theory: explains why
Leeuwenhoek got a sample of water and looked at it with a microscope. what did he find?
microorganisms
whats the difference between a light microscope and an electron microscope?
one uses light and the other uses electrons to see the specimen
how are unicellular and multicellular organisms alike and different?
alike: have the criteria for life
different: single-celled vs multi-celled
Kyra, the monkey, just had a baby! The baby doesn't have a tail. What happened?
mutation
what are the steps to the scientific method?
observe, question, hypothesis, experiment, results, conclusion
what is experimenter/research bias?
when a scientist influences their results in order to get a particular reuslt
why does science have safety protocols and procedures?
to protect yourself, others, and equipment