Monday, July 29, 2013

36. Ethylene

Ethylene is a hormone which appears as a gas containing no color, is flammable, and tends to have a sweet scent. This hormone is found in fruits like bananas to induce ripening.

35. Gymnosperm Leaf

A gymnosperm leaf is one that is cone bearing. Though a juniper doesn't necessarily bear the cones we think of that come off pine trees, the berries they produce are a variation of these cones. This means that a juniper is a gymnosperm.

34. Asexual Reproduction

Potatoes can reproduce in three different ways, asexually being the one we're going to touch on. Through fermentation and skipping meiosis, some organisms can reproduce asexually. Through the vegetation buds, also called "eyes" the potatoes is capable of growing more potatoes.

33. Cuticle Layer of a Plant

The cuticle layer of a plant is that waxy, shiny layer on the leaves made of lipids an polymers. Its purpose is protect the plant from physical and chemical components.

32. Modified Leaf of a Plant

The modification we see on an Esperanza leaf is its jagged, spiny edges. These traits where adapted to prevent predators from consuming this plant. It was simply an adaptation of survival.

31. Cambium

Cambium in a plant is when you have a layer of dividing cells between the wood and the place of root growth. This results of cambium are the rings we see in a cut log of wood

Thursday, July 25, 2013

30. Connective Tissue

 
Connective tissue does exactly what is says in its name, it connects! It connects many variations of tissues with organs. Just one of the four types of tissues. I used a picture of a knee because within it, you can find tendons and ligaments all built up in a connective way to allow us bending of the knee.

29. Unicellular Organism

Let's look a little deeper than just the picture of hot dog buns we see. I'm taking about the yeast in which was added to make the buns rise. Yeast is our unicellular organism, even though it can form multicellular bonds.

28. Vestigial Structures

Vestigial structures are those that have lost their original purpose through evolution. A key vestigial structure on humans is the muscles once used to move ears in order to enhance hearing. Obviously, we have lost the ability to move and control the way our ears are facing. Seems to not hinder our everyday lives though.

27. Mycelium

To scared to touch it, I decided to leave the moldy bread inside the bag. Mycelium is a part of this mold made of thin, white filaments. It can either be seen at a microscopic level or on the outside of decaying food.

26. Exoskeleton

Though hard to see in this picture, you are able to focus on the lines of ants who all have exoskeletons. An exoskeleton is a tough, outer skeleton which protects the organisms' internal systems. Exoskeletons are found in insects and crustaceans.

25. Endotherm

An endothermic organisim is one that can control and/or maintain its body temperature regardless of its enviorment. They are also known as warm-blooded animals.

Sunday, July 21, 2013

24. Histamine





Histamine is a chemical located in certain cells of the body. It is the cause of symptoms you get when you have allergies such as sneezing and a runny nose. (explains why I posted a picture of a nose) Being allergic to something, your bodies immune system automatically goes into attack mode. As a way to protect your body, histamine is released and you are given symptoms to help flush the allergen out of you.

23. Fermentation

Fermentation is a process of starting with sugars which are then converted to acids. Fermentation in lactose products allows quickly perishable foods to be preserved for much longer time periods. Lactaid acid is produced in milk which lowers its pH leaving you with many types of products such as cheese and yogurt.

22. Hydrophilic

A substance that is hydrophilic is capable of dissolving in water. Salt is highly hydrophilic.

21. Epithelial Tissue

Epithelial tissue is a protective cover on the entire outside of an organism. (i.e. skin) On a microscopic level, it is made of many cells organized in rows and layers.

20. Altruistic Behavior

Altruistic behavior is associated with unselfish behavior expressed in living creatures. In this picture, you find yourself looking at cats lying close to each other to keep warm. They are working together to meet each other's needs.

19. Hermaphrodite

A hermaphrodite is an organism who has both female and male reproductive organs. Commonly seen in invertebrates, these organisms do not have specific sexes allowing them to reproduce with any creature like itself.
I used a picture of Super Worms found at a pet store. Worms are hermaphrodites who connect at the clitella. Sperm is then exchanged, leaving both worms with an egg.

Friday, July 12, 2013

18. Anther and Filament of Stamen

Anther and filament of stamen is the place of pollen production where the insect, which helps in pollination, is found. The anther is on the tip of the stamen holding all the pollen, while the filament is the base of the stamen.

17. Long-Day Plant

A long-day plant is a plant that requires a longer period of light exposure in order to flower. Underexposure can ruin the crop, as well as overexposure. Because of that, you must be cautious when growing long-day plants such as lettuce and spinach.

16. Artificial Selection

Artificial selection came along when farmers and breeders decided they wanted to breed certain organisms with other specific ones in order to get a wanted trait. I used a picture of my dogs, because dogs have been lab rats for artificial selection for many years. They do this to please everyone's wants and needs when it comes to having a pet dog, such a sheep herder would need a dog specially built to herd sheep.

15. Analogous Structure

 An analogous structure is a functional part of two species that works similarly, yet the built of the two are very different. The two species are not connected to an ancestor, rather an adaptation to its need. For example, the fins on these fish are analogous structures which where adapted through the need to swim.

14. CAM Plant

A CAM plant, which stands for crassulacean acid metabolism, was an adaptation these organisms acquired through living in arid conditions. The pores in the plants' leaves are closed all day and open to collect carbon dioxide at night. This helps limit water loss. The carbon dioxide is then stored as a substance called malate which is used for photosynthesis when the plant receives sunlight.

13. Heterotroph

A heterotroph is an organism that cannot make or integrate their own food. Rather, they become dependent on getting their nutrients by consuming other organisms. People are heterotrophs because they do not go through processes such as photosynthesis for their source of food and energy.

Sunday, July 7, 2013

12. Hydrophobic

Being hydrophobic gives the substance the characteristics of dissolution against water. The substance refuses or simply cannot dissolve into liquid H2O. Some hydroponic substances include fats, oils, and waxes.

11. Eukaryote

Eukaryote are cells contained by complex organisms. These cells are the building blocks of an organism, some containing millions upon millions to small for the naked eye to see. Eukaryote cells have a membrane surrounding them, along with many organelles that have their own job to carry out in order to keep the cell alive.
In this picture, we see a collection of flowers all made up of the complex eukaryote cells.

10. Sporophyte

Sporophytes are a type of plants and some algae that go through a special phase of making spores. This allows the organism to create asexual spores through meiosis for reproduction, such as the fern shown in the picture.

Friday, July 5, 2013

9. Autotroph

An autotroph, also know as a producer, is an organism that can make its own food. Plants are capable of making their own source of energy through the process of photosynthesis, where sunlight is converted to organic compounds which are used for energy. These specific types of autotrophs are also known as phototrophs.

8. Frond

A frond is a type of leave that has a divided look to them such as a fern or a palm leave like the one shown in this picture. The leaves of a frond can be both small and quite large and come in many different shapes.

7. Pollen

Pollen is a powdery like substance found on flowering plants in which contains sperm cells in order to reproduce sexually. Through the process of pollination, the male gametes are sent through a pollen tub   straight to the flower ovary where the female gametes are. Pollen producing plants require a third party to help them transfer the pollen, which is one of three things: wind, water, and insects.