Synura: Smelly, Flowery Confetti

The video explores the transition from winter to spring, highlighting the emergence of flora and fauna. It introduces Cinere, a type of golden algae found in freshwater, known for its unique appearance and scent. The video discusses the chemical compounds produced by Cinere during blooms and their impact on the environment. It also touches on microbe hunting and the broader implications of algal blooms on ecosystems.

What is one of the less pleasant aspects of spring mentioned in the video?

• The blooming of flowers

• The smell near ponds

• The scent of daffodils

• The chirping of birds

What distinguishes Cinere from other algae?

• Their lack of chloroplasts

• Their complex silica scales

• Their green color due to chlorophyll

• Their ability to survive in Antarctica

What pigment gives Cinere their yellow color?

• Chlorophyll

• Carotene

• Xanthophyll

• Melanin

How many colonies of Cinere are needed to produce a noticeable cucumber smell in water?

• 50 to 100 colonies

• 5 to 10 colonies

• 100 to 200 colonies

• 1 to 5 colonies

Which compound produced by Cinere is known for its rancid smell?

• Beta ionone

• Beta sikla citral

• Trans sys DECA

• Xanthophyll

What is a potential cause of algal blooms?

• Cold temperatures

• Lack of nutrients

• Water pollution

• Increased sunlight

What is a possible effect of harmful algal blooms?

• Improved water clarity

• Increased fish population

• Damage to local ecosystems

• Enhanced plant growth