Ecosystems
Which of these lists identifies only biotic factors in a desert ecosystem?
Sand, sunlight, rock, cacti
Producers, consumers, and decomposers
Plants, animals, sand, and rocks
Air, cacti, lizards, and soil nutrients
Producers, consumers, and decomposers
What is something that a plant cell has but an animal cell doesn't?
Cell wall or Chloroplasts
Mitosis is the duplication of 1 parent cell into _____.
2 identical daughter cells
Genetics is the study of ______.
Inheritance/Heredity
Plants and algae are the first organisms in most food chains because ______.
They are producers.
Which is a biotic factor of an alpine forest?
Elk
Rainfall
Soil
Mountains
Elk
What do ribosomes do in a cell?
The step of mitosis when the nucleus is divided into 2 nuclei is called:
Telophase
If a flower has the genotype 'Pp' for petal color, where 'P' represents purple and 'p' represents white, what is the flower's phenotype for petal color, assuming purple is dominant?
Purple
A vulture is an example of a
scavenger
Which of these contains both biotic and abiotic elements in a desert environment?
Rocks and sunlight
Water and pebbles
Scorpions and sand
Roadrunners and snakes
scorpions and sand
Which of the following is the primary function of the mitochondria?
Energy production
Mitosis has 4 steps. What is in the correct order?
Prophase, Metaphase, Anaphase, and Telophase
What is any permanent change in a gene or chromosome called?
Mutation
A strand of DNA has bases CACGTGCA. Using letters, show the matching strand of DNA.
GTGCACGT
Hawks, grasses, songbirds, and caterpillars are some organisms found in an ecosystem. Which is the correct order for energy transfer in this ecosystem? (Hint: what would that food chain look like?)
Grasses → caterpillars → songbirds → hawks
What is the job of chloroplasts in plant cells?
The site of photosynthesis
What phase of mitosis occurs when the chromosomes line up in the middle of the cell?
Metaphase
A black cat (Bb) is crossed with a white cat (bb). What percentage of their kittens will be black?
50%
What is one way agriculture and farming affects aquatic species?
It causes harmful algae blooms that kill off other species.
Which is an example of an abiotic factor changing an area?
Introducing a new type of grass
Water flooding the area
Two species of birds competing
Algae growing on crab grass.
Water flooding the area
What is the main job of vacuoles in plant cells?
Which step is a part of the cell cycle but not mitosis.
Interphase
If you cross 2 homozygous dominant parents, what is the chance of having a homozygous recessive offspring?
0%
How does Creation support the fossil record?
The Great Flood allowed pressures high enough for fossils to form and also explains aquatic organisms being found at the top of mountains.