What are the 4 bases in DNA?
1. Adenine
2. Thymine
3. Cytosine
4. Guanine
Bear eating Fish
Predator
What is an example of Predation?
Hawks preying on mice.
The molecule that carries oxygen in red blood cells.
What is hemoglobin?
A koala eating a plant
Herbivore
What is an example of a Mutualistic interaction
Bees and flowering plants
The enzyme that unwinds DNA during replication.
What is helicase?
A bee obtains plant nectar to facilitate the pollination of plants
Mutualism
What is an example of Parasitism?
Ticks living on the skin of deer and feeding by sucking blood from dear
Examples of vestigial structures?
Structures like the human appendix or whale pelvis are examples of this.
Non-photosynthesizing Cuscuta plant (dodders) growing on gorse and other plant hosts, absorbing foods from the host’s sap
Parasitism
What is an example of Pathogenicity?
Tuberculosis in badgers
The powerhouse of the cell
Mitochondria
HIV in humans
Pathogenicity
What is an example of Interspecific competition?
Lions vs. hyenas → both compete for prey like wildebeest or zebras. Neither benefits, because energy is wasted fighting and food availability decreases
Barnacles on rocky shores → Balanus and Chthamalus compete for space. Balanus outcompetes Chthamalus lower on the rocks, forcing Chthamalus to survive higher up where it’s drier.
Trees in a rainforest → tall trees compete with smaller trees for sunlight, water, and nutrients.
The interspecific competition between Eastern grey squirrel and the American red squirrel in North America. They competent for similar food resources which greatly affects the growth and survival of those species population.