Is it important that animals and plants adapt? Why or why not?

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Presentation transcript:

Is it important that animals and plants adapt? Why or why not? October 29, 2013 Day 1 AR Book Agenda 1. Please have these Items on your desk. Science Starters Sheet Vocab. Book 2- Science Starter: Is it important that animals and plants adapt? Why or why not?

Trade and Grade Check that each page has all four boxes completed. In the bottom right corner of each page that is completed, give a score of 2 points. If only 2 of the 4 boxes are completed, give 1 point. Check all 14 words.

Relationships in Nature Notes: Relationships can be found throughout nature: Dependent and Independent Beneficial and Harmful Hosts and Parasites Questions: This rhino is in a variety of relationships some obvious and some less visible. 1) Can you name any of these partnerships? 2) What the purpose of the relationship? 3) Who does it harm or help?

What is symbiosis? Two organisms that live together Temporarily or for a longer time At least one of the organisms benefits from the relationship

What are the different kinds of symbiosis? Mutualism Commensalism Parasitism one organism benefits one organism benefits both organisms benefit one organism is unaffected one organism is harmed

Parasitism Causes harm to host The parasite benefits, the host is harmed or in some cases killed.

Commensalism Only one member benefits sharing space, defense, shelter, food Neither will die if relationship is ended Shrimp & sea cucumber The Shrimp hitch a ride on the large sea cucumbers. The shrimps get transported through a large area of potential food by their host with only a minimal expenditure of energy on their part. They can be observed getting off their host cucumber to feed in productive areas, and back on for a ride to the next spot! http://www.ms-starship.com/sciencenew/symbiosis.htm

Mutualism Both organisms derive mutual benefit Neither can survive without the other Tickbirds and rhinos

Zombie Caterpillars -Slave Bodyguard Wasp lays its eggs in the body of a caterpillar. This is a three layered parasitic infection. The wasps disable the caterpillar’s immune system, allowing the wasp eggs to survive. The eggs hatch and feed on the caterpillar, but do not kill it. Instead, the caterpillar stops developing and spends the rest of its life protecting the wasp larva, even going as far as spinning its own cocoon around the wasp pupae. When the adult wasp emerges from its cocoon, the zombie caterpillar finally tastes the sweet release of death.

Cattle with cattle egrets Cattle stir up insects as they eat grass Egrets hang around and eat insects

Honey Bee & the Dandelion gets to eat the pollen from the flower. Dandelion uses the bee to spread its pollen to another flower

Clown fish with anemone Clown fish gets protection Anemone is unaffected

Buffalo & Oxpecker Buffalo Oxpecker Lets the bird eat Eats ticks and other parasites off skin Warns buffalo of danger http://www.pbs.org/wnet/nature/enemies/partners.html

Antelope gets rid of parasites Oxbird gets a meal Antelope with Oxbird Antelope gets rid of parasites Oxbird gets a meal

Hermit Crab & Sea Anemone Gets leftover food Sea anemone protects the crab http://www.ms-starship.com/sciencenew/symbiosis.htm

Fish and a Leech?

Cactus Wren & Cholla Cactus builds its nest in a cholla cactus to protect its young from predators such as raven. There is no harm to the cactus.

Moray Eel with Cleaner Shrimp Zebra Moray Eel gets a clean mouth Cleaner Shrimp gets a meal

Shark and Remora Fish Shark Remora Fish Lets the fish eat Eats parasites Gets the shark’s leftovers

Crocodile & Bird Nile crocodile Crocodile bird Usually eats animals Allows bird to walk around its mouth Crocodile bird Cleans parasites in croc’s teeth Removes and eats scraps of food Eats harmful leeches and parasites Notes: Mammal - Bird relationships are common. Questions: Can you think of other animal-bird symbiotic relationships? Why and how do you think this relationship evolved? What special adaptations might have developed for this relationship?