Classifying Cells
Which sentence describes a way that multicellular and unicellular organisms are ALIKE?
A. They both have a long lifespan.
B. They both are complex organisms.
C. They both take in nutrients and get rid of wastes.
D. They both have hairlike structures that help them move.
C. They both take in nutrients and get rid of wastes.
Cell walls are made of cellulose in ____________ cells.
Roberto and his sister had a garden in the backyard. Every spring they grew strawberries, like the plant you see here. Plants make their own food through the process of photosynthesis. Determine the nonliving parts of this backyard ecosystem that are needed for the plant to survive.
A deer is nibbling clover while a frog watches from a nearby rock. What is the ONLY abiotic factor in the sentence?
The area where an organism lives its life including the living and nonliving factors.
Habitat
If you place a drop of blood on a microscope slide and examine it with a powerful microscope, you will see many red shapes that look something like circular disks.
These are red blood cells, which carry the oxygen you need throughout your body.
Are red blood cells the only cells in your body?
_______ is a jellylike substance in both the animal and the plant cell containing important chemicals and acts like a matrix for the cell organelles.
What component of the lake ecosystem is living?
What is a biotic feature of this ecosystem that beavers use to construct shelter?
This is an organism that supplies matter and energy, also known as an autotroph.
Producer
Plant and animal cells are both eukaryotic. Identify the similarities between the two cells.
Which is a difference between plant and animal cells?
Maria and her classmates are in their outdoor classroom. They notice different forms of fungus growing on a tree. Their teacher asks which of the things they see are considered nonliving. What do you think their answer will be?
What abiotic factor could be found in a forest habitat?
What is the biggest difference between an ecosystem and a community?
Plant and animal cells are both eukaryotic cells. What structure is found in the animal cell, but NOT in the plant cell?
This organism uses ______________ to feed and move through its environment.
An ecosystem is a community of living and nonliving things that operate together. An ecosystem may be as small pond or a large ocean. Larger ecosystems generally have more living and nonliving factors. Any ecosystem includes living and nonliving parts. Your schoolyard is an ecosystem! It has living and nonliving parts that interact.
Which is NOT a living part of the schoolyard ecosystem?
What is one biotic factor that can change the size of a population in an ecosystem?
In this backyard garden, many groups of living things live together. Some examples include a group of bees in a hive, a school of fish in the pond, the pink chrysanthemums, and monarch butterflies hovering the flowers. What word is used for each of these groups of living things in this backyard garden?
Why don't animal cells need chloroplasts?
Plant and animal cells are very similar, but they also contain certain differences. How are plant and animal cells different?
Choose three correct answers.
An ecosystem is a biological community of living and nonliving things that operate together. An ecosystem may be as small pond or a large ocean. Larger ecosystems generally have more living and nonliving factors. Ecosystem includes biotic (living) interactions between plants, animals and micro-organisms, and abiotic (nonliving) physical and chemical interactions.
What ecosystem might contain the abiotic components of swings, slides, sunlight?
An ecosystem is comprised of biotic and abiotic factors. The biotic factors are living things that influence an ecosystem such as humans, animals, plants, bacteria and fungi. The abiotic factors are all the non-living elements which impact the ecosystem such as water availability and quality, sunlight, weather, soil conditions, and air quality.
What abiotic aspects of an ecosystem can be affected by the biotic aspects?
A frog lives in or near a small body of water like a lake or pond. In this area, there are also dragonflies, many varieties and sizes of fish, snakes, and some birds. All of the living things in this area are also know as