WorksheetsLife Science Exam (Mid-term)
Total questions: 26
Worksheet time: 14mins
When using the Scientific Method, what do we do in the Conclusion step?
Show the results
Predict what will happen
Tell what we learned
Ask a question
What type of scientist is most likely to study echinoderms?
boatnist
molecular biologist
marine biologist
astronomer
What makes ecology different from other sciences?
It deals with how other sciences are related.
It only deals with the biotic factors in the environment.
It's the only physical science.
It only deals with the abiotic factors in the environment.
True or False
Kingdom is the largest category in the classification of living things.
True - Kingdom is the largest category
False - Domain is the largest category.
A paramecium is an example of a _______.
virus
bacteria
protist
fungi
Which group of animals have spicules?
sponges
echinoderms
mollusks
arthropods
True or False
A symbiotic relationship is when two things live in the same ecosystem. One doesn't benefit from the other.
True
False
What is special about starfish?
They have bilateral symmetry
They have a heart and a brain
They have an exoskeleton
They can regenerate body parts
What adaptations help birds fly?
Their feet
Their beaks
Their hollow bones and gizzards
Which part of a seed provides the energy for it to grow?
The cotyledon
The embryo
The endosperm
The seed coat
The ______ is the first part of a plat to emerge from a seed.
leaves
root
stem
cotyledon
Why does healthy soil need bacteria?
It produces inorganic material
It makes the soil looser for plants
It protects the soil from predators
It breaks down minerals
Which part of a plant moves sugar and minerals?
Pholem
Xylem
What ingredient is necessary to provide the energy for photosynthesis to happen?
Sunlight
Oxygen
CO3
Glucose
What part of the plant releases water into the air?
Stem
Phloem
Chloroplasts
Stomata
Which part of the flower is the female part?
petal
pistil
stamen
pollen
What part of the flower sticks to bees as they feed on nectar?
ovule
pollen
stamen
petal
What is the job of red blood cells?
To produce and repair cells.
To fight bacteria and viruses.
To remove CO2 from your body.
To work together to form organs.
What is one big difference between plants and animals?
Plants grow
Plants produce their own food.
Plant cells have a nucleus.
What are the centrioles responsible for?
producing microtubules
removing wastes
packaging proteins
Which one is an arachnid?
tick
ladybug
grasshopper
lobster
In which phase of mitosis does the cell begin to lengthen, spindle fibers shorten, and paired chromosomes separate.
Prophase
Metaphase
Anaphase
Telophase
True or False
Crabs use internal fertilization
True
False
Which statements (pick 3) about chordates are TRUE?
All chordates have a backbone at some point.
All chordates have a notochord at some point.
All chordates have a nerve chord at some point.
All chordates have gill slits at some point.
What are some differences between plant cells and animal cells? Pick 3
Plant cells have a cell wall, animal cells have a flexible cell membrane.
Plant cells have chloroplasts and animal cells do not.
Plant cells have a nucleus and animal cells do not.
Plant cells have a large vacuole to hold water, plants cells have small vacuoles.
True or False
Photosynthesis is essential for life on Earth.
True
False
