Identifying Relationships Practice
As you read the following sentences, work with a partner to:
Identify the type of relationship as Competition, Predation, Mutualism, Commensalism or Parasitism
Explain the relationship between the organisms by identifying who benefits and how, who is harmed, and/or who is unaffected
1. A tick living on a dog.
This is an example of ____________. The dog is being ______________because_______________, while the tick is being ______________________ because _________________________________.
2. The honeyguide bird leading the honey badger to the bees hive, both eat the honey.
This is an example of ____________. The _______________________ is ________________________ and the _________________________ is __________________________________________________
___________________________________________________.
3. A tapeworm living in a 7th grade student’s intestines.
4. A bird building their nest in a tree.
5. A pride of lions hunting a dazzle of zebras.
6. A plover (bird) helping keep an alligator’s mouth clean.
7. A remora attaching itself to a shark obtaining transportation, shelter and food scraps from the shark.
8. The ants and the acacia tree living together and both receiving benefit.
9. Two species of sea snails looking for a home inside rock crevices.
11. Orchids growing in tall tropical trees, the trees are not harmed but the orchids get sunlight.
12. A young polar bear attempting to steal the carcass of a seal from an adult polar bear.
Answers
The atom, as described by Ernest Rutherford, has a tiny, massive core called the nucleus. The nucleus has a positive charge. Electrons are particles with a negative charge. Electrons orbit the nucleus. The empty space between the nucleus and the electrons takes up most of the volume of the atom.In atomic physics, the Bohr model or Rutherford–Bohr model, presented by Niels Bohr and Ernest Rutherford in 1913, is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity. After the cubical model(1902), the plum pudding model (1904), the Saturnian model (1904), and the Rutherford model (1911) came the Rutherford–Bohr model or just Bohr model for short (1913). The improvement over the 1911 Rutherford model mainly concerned the new quantum physicalinterpretation.
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