Macromolecules
Used for growth and maintenance of tissues, chemical messengers (hormones), transports and stores nutrients
What is protein?
A biome that has little or no plant life, long periods without rain, and extreme temperatures; usually found in hot climates
What is a grassland biome?
Conversion of light energy from the sun into chemical energy
What is photosynthesis?
A complex molecule containing the genetic information that makes up the chromosomes, and proteins
What is DNA?
living parts of an ecosystem
What are biotic factors?
They break down to glucose to provide energy
What are carbohydrates?
land biome characterized by moderate rainfall, fields of grasses, and few trees
What is a grassland biome?
water, oxygen, warmth
What are the three things required for germination?
The nearly perfect fit between A-T and G-C nucleotides
What are base parings?
The first species to populate an area during primary succession
What is a pioneer species?
saturated, monounsaturated, polyunsaturated, cis, trans
What are the types of lipids?
Extremely cold and dry biome; known for its permafrost, mosses, lichens, caribou, and snowy owl
What is a tundra biome?
The scattering of seeds; can be done by animals, insects, air, explosion, or water
What is seed dispersal?
A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes
What is a chromosome?
The amount of biological or living diversity per unit area. It includes the concepts of species diversity, habitat diversity and genetic diversity
What is biodiversity?
a lipid made of three fatty acid molecules and one glycerol molecule
What is a triglyceride?
A biome located throughout midlatitude regions where there is sufficient moisture to support the growth of large, broadleaf deciduous trees
What is a broadleaf forest biome?
The process whereby seeds or spores sprout and begin to grow
What is germination?
A situation in which both alleles are equally strong and both alleles are visible in the hybrid genotype.
What is co-dominance?
A step in a food chain or food web
What is a trophic level?
A small unit that can join together with other small units to form polymers.
What is a monomer?
a terrestrial biome characterized by high levels of precipitation and warm temperatures year-round
What is a tropical forest biome?
Absorbed in through the plant roots, and are needed in order to make components such as proteins, DNA and chlorophyll
What are mineral ions?
A segment of DNA on a chromosome that codes for a specific trait
What is a gene?
The largest population that an environment can support at any given time
What is carrying capacity?