Fact 1: Echinoderms have a unique water vascular system with tube feet. Fact 2: Another obvious connection between the eye and the rest of the body is the vascular system. Given the two facts above, answer the question "a connection is between the eye and what type of feet in echinoderms" with the following options: - tube - Seesaw - vision - made - voles - a path - bones - muscle
tube

(Question)
Fact 1: Bottleneck effect occurs when a population suddenly gets much smaller. Fact 2: Population growth is reduced by external migration. Given the two facts above, answer the question "Bottleneck effect can occur with " with the following options: - external migration - direct damage to the lungs - Movement of an air mass - competition - if humans disturb bears - competing for resources - Plant growth is reduced - Temperature changing
(Answer)
external migration

Ques: Fact 1: Harming an animal species has a negative impact on the population size of that species. Fact 2: Populations are the sub-units of species. Given the two facts above, answer the question "harming an animal species has a negative impact on the what?" with the following options: - sub-units of species - single-celled organisms - diet of species - most organisms - color of species - ancestors of species - Abnormal cell growth - Males and females
Ans: sub-units of species

(Q).
Fact 1: Vertebrate chordates have a backbone. Fact 2: Yep, lizards are chordates, just like humans. Given the two facts above, answer the question "What has a backbone like a human?" with the following options: - a fish - mammals - Lizards - crocodiles - Squids - fur seals - Bees - Flowers
(A).
Lizards

Ques:Fact 1: Ameasuring cup is used for measuring the volume of substances. Fact 2: Volume is the amount of space an object or substance takes up. Given the two facts above, answer the question "What measures the amount of space a substance takes up?" with the following options: - hydrogen and oxygen - objects that have mass - Veins and arteries. - sweating - evaporation - A measuring cup - heat energy - an electron microscope

Ans:A measuring cup

Ques:Fact 1: Roundworms make up the phylum Nematoda. Fact 2: Roundworm Roundworms have complete digestive tracks. Given the two facts above, answer the question "What kind of digestive tracks do nematoda have?" with the following options: - complete - homogenous - grow - allow growth - ligt - food - organ - heat or cold

Ans:
complete