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"crustaceans" - 5 õppematerjali

Humpback whale
13
ppt

Humpback whale

mottled black and white on the ventral side. About 2/3 of the way back on the body is an irregularly shaped dorsal fin. Its flippers are very long, between 1/4 and 1/3 the length of its body, and have large knobs on the leading edge. The flukes, which can be 5.5 m wide, is serrated and pointed at the tips. Adult males measure 12.2-14.6 m, adult females measure 13.7-15.2 m. They weigh 25 to 40 tons. Feeding Feed on krill, small shrimp-like crustaceans, and various kinds of small fish. Each whale eats up to 1 and 1/2 tons of food a day. Mating and breeding Humpback whales reach sexual maturity at 6- 10 years of age or when males reach the length of 11.6 m and females reach 12 m. Each female typically bears a calf every 2-3 years and the gestation period is 12 months. The calf is between 3-4.5 m long at birth, and weighs up to 907 kg. Distribution and migration Is found in all the world's oceans.

Keeled → Inglise keel
6 allalaadimist
OVERFISHING
32
pptx

OVERFISHING

discarded (ära visatud), and threatened (ohustatud) by the industrialized fisheries. WHAT CAN WE DO TO HELP?  Safe catch limits  A constantly reassessed, scientifically determined, limit on the total number of fish caught and landed by a fishery.  Controls on bycatch  The use of techniques or management rules to prevent the unintentional killing and disposal of fish, crustaceans (koorikloomad) and other oceanic life not part of the target catch or landed. WHAT CAN WE DO TO HELP?  Protection of pristine and important habitats (elupaigad)  The key parts in ecosystems need full protection from destructive fisheries  Monitoring (seire) and enforcement (kehtestamine)  A monitoring system to make sure fishermen do not land more than they are allowed to, do not fish in closed

Keeled → Inglise keel
1 allalaadimist
SWEDISH FOOD
20
odp

SWEDISH FOOD

Fridays, this filling up on pea soup on Thursdays, to pea soup being very easy to prepare by maid servants who would work half-days on Thursdays — the tradition has well and truly stuck. Most traditional lunch restaurants serve pea soup and pancakes with lingonberry sauce or any kind of jam (sylt) on Thursdays. Crazy for crawfish Crawfish parties (kräftskivor) are popular in August, when warm summer evenings are spent feasting on these red bite-sized fresh-water crustaceans in gardens and on balconies all over Sweden. Eaten only by Sweden’s upper-class citizens and aristocracy in the 16th century, crawfish have become a national delicacy enjoyed by all, with mass importation having significantly brought down the price over the centuries. Surströmming — foul-smelling fish Every culture has at least one culinary specialty that makes both locals and visitors cringe. From late

Keeled → Inglise keel
1 allalaadimist
GETTING TO KNOW THE TOEFL
368
pdf

GETTING TO KNOW THE TOEFL

4. disappear 9. protected (A) vary (A) plentiful (B) vanish (B) phenomenal (C) reject (C) sheltered (D) fabricate (D) passable 5. shallow 10. rhythm (A) swift (A) pulse (B) substantial (B) pattern (C) placid (C) function (D) superficial (D) notion TEST QUESTIONS Choose the word or phrase that is closest in meaning to the underlined word or phrase. 1. Mollusks, crustaceans, and fish are plentiful in the Chesapeake Bay. (A) vanishing (B) abundant (C) gathered (D) declining 2. The coast of California is marked by a rugged mountain range and placid bays. (A) calm (B) scenic (C) sheltered (D) shallow 3. The Carnegie Foundation is one of the major philanthropic organizations in the United States. (A) partisan (B) governmental (C) humanitarian (D) international 4. From the beginning of the twentieth century, dance phenomena became extremely prolific and colorful.

Keeled → Inglise keel
13 allalaadimist
Liha töötlemine
1168
pdf

Liha töötlemine

All borne diseases include hepatitis A virus reported foods involved with cases of gastro- (oysters, clams, doughnuts, sandwiches, and enteritis were from aquatic origin (salted fish, salad), Norwalk virus (oysters), polio virus crabs, and oysters). The organism can be iso- (milk and oysters), ECHO virus (oysters), lated from a variety of sources, including enteroviruses (oysters), and coxsackievirus humans, birds, fish, reptiles, and crustaceans. (oysters). Much more research needs to be The true nature of this organism as a food- done in the field of food virology to help borne agent is not fully known because the reduce the incidents of food-borne diseases organism has not been well studied to date. caused by viruses. There were 56 total viral In 2002, no outbreak of this organism was outbreaks, 4,066 cases, and no deaths reported reported to the CDC. in 2002.

Keeled → Inglise keel
22 allalaadimist


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